Time.html

---
title: Time
layout: default
---
<div class="main">
    <div class="banner">
        
            <span>Ruby on Rails 8.0.0</span><br />
        
        <div class="type">Class</div>
        <h1>
            Time
            
                <span class="parent">&lt;
                    
                    <a href="Object.html">Object</a>
                    
                </span>
            
        </h1>
        <ul class="files">
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/object/blank_rb.html">activesupport/lib/active_support/core_ext/object/blank.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/object/json_rb.html">activesupport/lib/active_support/core_ext/object/json.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/time/acts_like_rb.html">activesupport/lib/active_support/core_ext/time/acts_like.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/time/calculations_rb.html">activesupport/lib/active_support/core_ext/time/calculations.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/time/compatibility_rb.html">activesupport/lib/active_support/core_ext/time/compatibility.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/time/conversions_rb.html">activesupport/lib/active_support/core_ext/time/conversions.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/time/zones_rb.html">activesupport/lib/active_support/core_ext/time/zones.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/time_with_zone_rb.html">activesupport/lib/active_support/time_with_zone.rb</a></li>
            
        </ul>
    </div>
    <div id="bodyContent">
        <div id="content">
  

  

  
  


  

  
    <h2 id="methods">Methods</h2>
    <ul>
      
        <li>
          <a href="#method-i-2D">-</a>
        </li>
      
        <li>
          <a href="#method-i-3C-3D-3E">&lt;=&gt;</a>
        </li>
      
        <li>
          <a href="#method-c-3D-3D-3D">===</a>
        </li>
      
        <li>
          <a href="#method-i-acts_like_time-3F">acts_like_time?</a>
        </li>
      
        <li>
          <a href="#method-i-advance">advance</a>
        </li>
      
        <li>
          <a href="#method-i-ago">ago</a>
        </li>
      
        <li>
          <a href="#method-c-at">at</a>
        </li>
      
        <li>
          <a href="#method-i-at_beginning_of_day">at_beginning_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-at_beginning_of_hour">at_beginning_of_hour</a>
        </li>
      
        <li>
          <a href="#method-i-at_beginning_of_minute">at_beginning_of_minute</a>
        </li>
      
        <li>
          <a href="#method-i-at_end_of_day">at_end_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-at_end_of_hour">at_end_of_hour</a>
        </li>
      
        <li>
          <a href="#method-i-at_end_of_minute">at_end_of_minute</a>
        </li>
      
        <li>
          <a href="#method-i-at_midday">at_midday</a>
        </li>
      
        <li>
          <a href="#method-i-at_middle_of_day">at_middle_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-at_midnight">at_midnight</a>
        </li>
      
        <li>
          <a href="#method-i-at_noon">at_noon</a>
        </li>
      
        <li>
          <a href="#method-c-at_with_coercion">at_with_coercion</a>
        </li>
      
        <li>
          <a href="#method-c-at_without_coercion">at_without_coercion</a>
        </li>
      
        <li>
          <a href="#method-i-beginning_of_day">beginning_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-beginning_of_hour">beginning_of_hour</a>
        </li>
      
        <li>
          <a href="#method-i-beginning_of_minute">beginning_of_minute</a>
        </li>
      
        <li>
          <a href="#method-i-change">change</a>
        </li>
      
        <li>
          <a href="#method-i-compare_with_coercion">compare_with_coercion</a>
        </li>
      
        <li>
          <a href="#method-i-compare_without_coercion">compare_without_coercion</a>
        </li>
      
        <li>
          <a href="#method-c-current">current</a>
        </li>
      
        <li>
          <a href="#method-c-days_in_month">days_in_month</a>
        </li>
      
        <li>
          <a href="#method-c-days_in_year">days_in_year</a>
        </li>
      
        <li>
          <a href="#method-i-end_of_day">end_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-end_of_hour">end_of_hour</a>
        </li>
      
        <li>
          <a href="#method-i-end_of_minute">end_of_minute</a>
        </li>
      
        <li>
          <a href="#method-i-eql-3F">eql?</a>
        </li>
      
        <li>
          <a href="#method-i-eql_with_coercion">eql_with_coercion</a>
        </li>
      
        <li>
          <a href="#method-i-eql_without_coercion">eql_without_coercion</a>
        </li>
      
        <li>
          <a href="#method-c-find_zone">find_zone</a>
        </li>
      
        <li>
          <a href="#method-c-find_zone-21">find_zone!</a>
        </li>
      
        <li>
          <a href="#method-i-formatted_offset">formatted_offset</a>
        </li>
      
        <li>
          <a href="#method-i-in">in</a>
        </li>
      
        <li>
          <a href="#method-i-midday">midday</a>
        </li>
      
        <li>
          <a href="#method-i-middle_of_day">middle_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-midnight">midnight</a>
        </li>
      
        <li>
          <a href="#method-i-minus_with_coercion">minus_with_coercion</a>
        </li>
      
        <li>
          <a href="#method-i-minus_without_coercion">minus_without_coercion</a>
        </li>
      
        <li>
          <a href="#method-i-minus_without_duration">minus_without_duration</a>
        </li>
      
        <li>
          <a href="#method-i-next_day">next_day</a>
        </li>
      
        <li>
          <a href="#method-i-next_month">next_month</a>
        </li>
      
        <li>
          <a href="#method-i-next_year">next_year</a>
        </li>
      
        <li>
          <a href="#method-i-noon">noon</a>
        </li>
      
        <li>
          <a href="#method-i-prev_day">prev_day</a>
        </li>
      
        <li>
          <a href="#method-i-prev_month">prev_month</a>
        </li>
      
        <li>
          <a href="#method-i-prev_year">prev_year</a>
        </li>
      
        <li>
          <a href="#method-c-rfc3339">rfc3339</a>
        </li>
      
        <li>
          <a href="#method-i-sec_fraction">sec_fraction</a>
        </li>
      
        <li>
          <a href="#method-i-seconds_since_midnight">seconds_since_midnight</a>
        </li>
      
        <li>
          <a href="#method-i-seconds_until_end_of_day">seconds_until_end_of_day</a>
        </li>
      
        <li>
          <a href="#method-i-since">since</a>
        </li>
      
        <li>
          <a href="#method-i-to_formatted_s">to_formatted_s</a>
        </li>
      
        <li>
          <a href="#method-i-to_fs">to_fs</a>
        </li>
      
        <li>
          <a href="#method-i-to_time">to_time</a>
        </li>
      
        <li>
          <a href="#method-c-use_zone">use_zone</a>
        </li>
      
        <li>
          <a href="#method-c-zone">zone</a>
        </li>
      
        <li>
          <a href="#method-c-zone-3D">zone=</a>
        </li>
      
    </ul>
  

  
    <!-- Includes -->
    <h2 id="included-modules">Included Modules</h2>
    <ul>
      
        <li>
          
            <a href="DateAndTime/Calculations.html">
              DateAndTime::Calculations
            </a>
          
        </li>
      
        <li>
          
            <a href="DateAndTime/Compatibility.html">
              DateAndTime::Compatibility
            </a>
          
        </li>
      
        <li>
          
            <a href="DateAndTime/Zones.html">
              DateAndTime::Zones
            </a>
          
        </li>
      
    </ul>
  

  
    

    

    
      <!-- Section constants -->
      <h2 id="constants">Constants</h2>
      <table border='0' cellpadding='5'>
        
          <tr valign='top'>
            <td class="attr-name">COMMON_YEAR_DAYS_IN_MONTH</td>
            <td>=</td>
            <td class="attr-value">[nil, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]</td>
          </tr>
          
        
          <tr valign='top'>
            <td class="attr-name">DATE_FORMATS</td>
            <td>=</td>
            <td class="attr-value">{
db: &quot;%Y-%m-%d %H:%M:%S&quot;,
inspect: &quot;%Y-%m-%d %H:%M:%S.%9N %z&quot;,
number: &quot;%Y%m%d%H%M%S&quot;,
nsec: &quot;%Y%m%d%H%M%S%9N&quot;,
usec: &quot;%Y%m%d%H%M%S%6N&quot;,
time: &quot;%H:%M&quot;,
short: &quot;%d %b %H:%M&quot;,
long: &quot;%B %d, %Y %H:%M&quot;,
long_ordinal: lambda { |time|
day_format = ActiveSupport::Inflector.ordinalize(time.day)
time.strftime(&quot;%B #{day_format}, %Y %H:%M&quot;)
},
rfc822: lambda { |time|
offset_format = time.formatted_offset(false)
time.strftime(&quot;%a, %d %b %Y %H:%M:%S #{offset_format}&quot;)
},
rfc2822: lambda { |time| time.rfc2822 },
iso8601: lambda { |time| time.iso8601 }
}</td>
          </tr>
          
        
      </table>
    

    
      <!-- Section attributes -->
      <h2 id="attributes">Attributes</h2>
      <table border='0' cellpadding='5'>
        
          <tr valign='top'>
            <td class='attr-rw'>
              [RW]
            </td>
            <td class='attr-name'>zone_default</td>
            <td class='attr-desc'></td>
          </tr>
        
      </table>
    

    <!-- Methods -->
    
      <h2 id="class-public-methods">Class Public methods</h2>
      
        <div class="method">
          <h3 id="method-c-3D-3D-3D">
            
              ===(other)
            
          </h3>

          
            <div class="description">
              <p>Overriding case equality method so that it returns true for <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> instances</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 18
    def ===(other)
      super || (self == Time &amp;&amp; other.is_a?(ActiveSupport::TimeWithZone))
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L18" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-at">
            
              at(time_or_number, *args)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-c-at_without_coercion">at_without_coercion</a>
            </div>
          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-c-at_with_coercion">at_with_coercion</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-c-at_with_coercion">
            
              at_with_coercion(time_or_number, *args)
            
          </h3>

          
            <div class="description">
              <p>Layers additional behavior on <a href="Time.html#method-c-at"><code>Time.at</code></a> so that <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> and <a href="DateTime.html"><code>DateTime</code></a> instances can be used when called with a single argument</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-c-at">at</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 45
    def at_with_coercion(time_or_number, *args)
      if args.empty?
        if time_or_number.is_a?(ActiveSupport::TimeWithZone)
          at_without_coercion(time_or_number.to_r).getlocal
        elsif time_or_number.is_a?(DateTime)
          at_without_coercion(time_or_number.to_f).getlocal
        else
          at_without_coercion(time_or_number)
        end
      else
        at_without_coercion(time_or_number, *args)
      end
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L45" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-at_without_coercion">
            
              at_without_coercion(time_or_number, *args)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-c-at">at</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-c-current">
            
              current()
            
          </h3>

          
            <div class="description">
              <p>Returns <code>Time.zone.now</code> when <code>Time.zone</code> or <code>config.time_zone</code> are set, otherwise just returns <code>Time.now</code>.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 39
    def current
      ::Time.zone ? ::Time.zone.now : ::Time.now
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L39" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-days_in_month">
            
              days_in_month(month, year = current.year)
            
          </h3>

          
            <div class="description">
              <p>Returns the number of days in the given month. If no year is specified, it will use the current year.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 24
    def days_in_month(month, year = current.year)
      if month == 2 &amp;&amp; ::Date.gregorian_leap?(year)
        29
      else
        COMMON_YEAR_DAYS_IN_MONTH[month]
      end
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L24" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-days_in_year">
            
              days_in_year(year = current.year)
            
          </h3>

          
            <div class="description">
              <p>Returns the number of days in the given year. If no year is specified, it will use the current year.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 34
    def days_in_year(year = current.year)
      days_in_month(2, year) + 337
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L34" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-find_zone">
            
              find_zone(time_zone)
            
          </h3>

          
            <div class="description">
              <p>Returns a TimeZone instance matching the time zone provided. Accepts the time zone in any format supported by <code>Time.zone=</code>. Returns <code>nil</code> for invalid time zones.</p>

<pre><code>Time.find_zone &quot;America/New_York&quot; # =&gt; #&lt;ActiveSupport::TimeZone @name=&quot;America/New_York&quot; ...&gt;
Time.find_zone &quot;NOT-A-TIMEZONE&quot;   # =&gt; nil
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/zones.rb, line 93
    def find_zone(time_zone)
      find_zone!(time_zone) rescue nil
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/zones.rb#L93" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-find_zone-21">
            
              find_zone!(time_zone)
            
          </h3>

          
            <div class="description">
              <p>Returns a TimeZone instance matching the time zone provided. Accepts the time zone in any format supported by <code>Time.zone=</code>. Raises an <code>ArgumentError</code> for invalid time zones.</p>

<pre><code>Time.find_zone! &quot;America/New_York&quot; # =&gt; #&lt;ActiveSupport::TimeZone @name=&quot;America/New_York&quot; ...&gt;
Time.find_zone! &quot;EST&quot;              # =&gt; #&lt;ActiveSupport::TimeZone @name=&quot;EST&quot; ...&gt;
Time.find_zone! -5.hours           # =&gt; #&lt;ActiveSupport::TimeZone @name=&quot;Bogota&quot; ...&gt;
Time.find_zone! nil                # =&gt; nil
Time.find_zone! false              # =&gt; false
Time.find_zone! &quot;NOT-A-TIMEZONE&quot;   # =&gt; ArgumentError: Invalid Timezone: NOT-A-TIMEZONE
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/zones.rb, line 81
    def find_zone!(time_zone)
      return time_zone unless time_zone

      ActiveSupport::TimeZone[time_zone] || raise(ArgumentError, &quot;Invalid Timezone: #{time_zone}&quot;)
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/zones.rb#L81" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-rfc3339">
            
              rfc3339(str)
            
          </h3>

          
            <div class="description">
              <p>Creates a <code>Time</code> instance from an RFC 3339 string.</p>

<pre><code>Time.rfc3339(&#39;1999-12-31T14:00:00-10:00&#39;) # =&gt; 2000-01-01 00:00:00 -1000
</code></pre>

<p>If the time or offset components are missing then an <code>ArgumentError</code> will be raised.</p>

<pre><code>Time.rfc3339(&#39;1999-12-31&#39;) # =&gt; ArgumentError: invalid date
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 69
    def rfc3339(str)
      parts = Date._rfc3339(str)

      raise ArgumentError, &quot;invalid date&quot; if parts.empty?

      Time.new(
        parts.fetch(:year),
        parts.fetch(:mon),
        parts.fetch(:mday),
        parts.fetch(:hour),
        parts.fetch(:min),
        parts.fetch(:sec) + parts.fetch(:sec_fraction, 0),
        parts.fetch(:offset)
      )
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L69" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-use_zone">
            
              use_zone(time_zone)
            
          </h3>

          
            <div class="description">
              <p>Allows override of <code>Time.zone</code> locally inside supplied block; resets <code>Time.zone</code> to existing value when done.</p>

<pre><code>class ApplicationController &lt; ActionController::Base
  around_action :set_time_zone

  private
    def set_time_zone
      Time.use_zone(current_user.timezone) { yield }
    end
end
</code></pre>

<p>NOTE: This won’t affect any <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> objects that have already been created, e.g. any model timestamp attributes that have been read before the block will remain in the application’s default timezone.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/zones.rb, line 61
    def use_zone(time_zone)
      new_zone = find_zone!(time_zone)
      begin
        old_zone, ::Time.zone = ::Time.zone, new_zone
        yield
      ensure
        ::Time.zone = old_zone
      end
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/zones.rb#L61" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-zone">
            
              zone()
            
          </h3>

          
            <div class="description">
              <p>Returns the TimeZone for the current request, if this has been set (via <a href="Time.html#method-c-zone-3D"><code>Time.zone=</code></a>). If <code>Time.zone</code> has not been set for the current request, returns the TimeZone specified in <code>config.time_zone</code>.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/zones.rb, line 14
    def zone
      ::ActiveSupport::IsolatedExecutionState[:time_zone] || zone_default
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/zones.rb#L14" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-c-zone-3D">
            
              zone=(time_zone)
            
          </h3>

          
            <div class="description">
              <p>Sets <code>Time.zone</code> to a TimeZone object for the current request/thread.</p>

<p>This method accepts any of the following:</p>
<ul><li>
<p>A Rails TimeZone object.</p>
</li><li>
<p>An identifier for a Rails TimeZone object (e.g., “Eastern Time (US &amp; Canada)”, <code>-5.hours</code>).</p>
</li><li>
<p>A <code>TZInfo::Timezone</code> object.</p>
</li><li>
<p>An identifier for a <code>TZInfo::Timezone</code> object (e.g., “America/New_York”).</p>
</li></ul>

<p>Here’s an example of how you might set <code>Time.zone</code> on a per request basis and reset it when the request is done. <code>current_user.time_zone</code> just needs to return a string identifying the user’s preferred time zone:</p>

<pre><code>class ApplicationController &lt; ActionController::Base
  around_action :set_time_zone

  def set_time_zone
    if logged_in?
      Time.use_zone(current_user.time_zone) { yield }
    else
      yield
    end
  end
end
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/zones.rb, line 41
    def zone=(time_zone)
      ::ActiveSupport::IsolatedExecutionState[:time_zone] = find_zone!(time_zone)
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/zones.rb#L41" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
      
    
      <h2 id="instance-public-methods">Instance Public methods</h2>
      
        <div class="method">
          <h3 id="method-i-2D">
            
              -(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-minus_without_duration">minus_without_duration</a>, <a href="Time.html#method-i-minus_without_coercion">minus_without_coercion</a>
            </div>
          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-minus_with_coercion">minus_with_coercion</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-3C-3D-3E">
            
              &lt;=&gt;(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-compare_without_coercion">compare_without_coercion</a>
            </div>
          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-compare_with_coercion">compare_with_coercion</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-acts_like_time-3F">
            
              acts_like_time?()
            
          </h3>

          
            <div class="description">
              <p>Duck-types as a Time-like class. See <a href="Object.html#method-i-acts_like-3F"><code>Object#acts_like?</code></a>.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/acts_like.rb, line 7
  def acts_like_time?
    true
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/acts_like.rb#L7" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-advance">
            
              advance(options)
            
          </h3>

          
            <div class="description">
              <p>Uses <a href="Date.html"><code>Date</code></a> to provide precise <a href="Time.html"><code>Time</code></a> calculations for years, months, and days according to the proleptic Gregorian calendar. The <code>options</code> parameter takes a hash with any of these keys: <code>:years</code>, <code>:months</code>, <code>:weeks</code>, <code>:days</code>, <code>:hours</code>, <code>:minutes</code>, <code>:seconds</code>.</p>

<pre><code>Time.new(2015, 8, 1, 14, 35, 0).advance(seconds: 1) # =&gt; 2015-08-01 14:35:01 -0700
Time.new(2015, 8, 1, 14, 35, 0).advance(minutes: 1) # =&gt; 2015-08-01 14:36:00 -0700
Time.new(2015, 8, 1, 14, 35, 0).advance(hours: 1)   # =&gt; 2015-08-01 15:35:00 -0700
Time.new(2015, 8, 1, 14, 35, 0).advance(days: 1)    # =&gt; 2015-08-02 14:35:00 -0700
Time.new(2015, 8, 1, 14, 35, 0).advance(weeks: 1)   # =&gt; 2015-08-08 14:35:00 -0700
</code></pre>

<p>Just like <a href="Date.html#method-i-advance"><code>Date#advance</code></a>, increments are applied in order of time units from largest to smallest. This order can affect the result around the end of a month.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 194
  def advance(options)
    unless options[:weeks].nil?
      options[:weeks], partial_weeks = options[:weeks].divmod(1)
      options[:days] = options.fetch(:days, 0) + 7 * partial_weeks
    end

    unless options[:days].nil?
      options[:days], partial_days = options[:days].divmod(1)
      options[:hours] = options.fetch(:hours, 0) + 24 * partial_days
    end

    d = to_date.gregorian.advance(options)
    time_advanced_by_date = change(year: d.year, month: d.month, day: d.day)
    seconds_to_advance = \
      options.fetch(:seconds, 0) +
      options.fetch(:minutes, 0) * 60 +
      options.fetch(:hours, 0) * 3600

    if seconds_to_advance.zero?
      time_advanced_by_date
    else
      time_advanced_by_date.since(seconds_to_advance)
    end
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L194" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-ago">
            
              ago(seconds)
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the time a number of seconds ago, this is basically a wrapper around the <a href="Numeric.html"><code>Numeric</code></a> extension</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 220
  def ago(seconds)
    since(-seconds)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L220" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_beginning_of_day">
            
              at_beginning_of_day()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-beginning_of_day">beginning_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_beginning_of_hour">
            
              at_beginning_of_hour()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-beginning_of_hour">beginning_of_hour</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_beginning_of_minute">
            
              at_beginning_of_minute()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-beginning_of_minute">beginning_of_minute</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_end_of_day">
            
              at_end_of_day()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-end_of_day">end_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_end_of_hour">
            
              at_end_of_hour()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-end_of_hour">end_of_hour</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_end_of_minute">
            
              at_end_of_minute()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-end_of_minute">end_of_minute</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_midday">
            
              at_midday()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-middle_of_day">middle_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_middle_of_day">
            
              at_middle_of_day()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-middle_of_day">middle_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_midnight">
            
              at_midnight()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-beginning_of_day">beginning_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-at_noon">
            
              at_noon()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-middle_of_day">middle_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-beginning_of_day">
            
              beginning_of_day()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the start of the day (0:00)</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-midnight">midnight</a>, <a href="Time.html#method-i-at_midnight">at_midnight</a>, <a href="Time.html#method-i-at_beginning_of_day">at_beginning_of_day</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 238
  def beginning_of_day
    change(hour: 0)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L238" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-beginning_of_hour">
            
              beginning_of_hour()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the start of the hour (x:00)</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-at_beginning_of_hour">at_beginning_of_hour</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 267
  def beginning_of_hour
    change(min: 0)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L267" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-beginning_of_minute">
            
              beginning_of_minute()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the start of the minute (x:xx:00)</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-at_beginning_of_minute">at_beginning_of_minute</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 283
  def beginning_of_minute
    change(sec: 0)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L283" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-change">
            
              change(options)
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> where one or more of the elements have been changed according to the <code>options</code> parameter. The time options (<code>:hour</code>, <code>:min</code>, <code>:sec</code>, <code>:usec</code>, <code>:nsec</code>) reset cascadingly, so if only the hour is passed, then minute, sec, usec, and nsec is set to 0. If the hour and minute is passed, then sec, usec, and nsec is set to 0. The <code>options</code> parameter takes a hash with any of these keys: <code>:year</code>, <code>:month</code>, <code>:day</code>, <code>:hour</code>, <code>:min</code>, <code>:sec</code>, <code>:usec</code>, <code>:nsec</code>, <code>:offset</code>. Pass either <code>:usec</code> or <code>:nsec</code>, not both.</p>

<pre><code>Time.new(2012, 8, 29, 22, 35, 0).change(day: 1)              # =&gt; Time.new(2012, 8, 1, 22, 35, 0)
Time.new(2012, 8, 29, 22, 35, 0).change(year: 1981, day: 1)  # =&gt; Time.new(1981, 8, 1, 22, 35, 0)
Time.new(2012, 8, 29, 22, 35, 0).change(year: 1981, hour: 0) # =&gt; Time.new(1981, 8, 29, 0, 0, 0)
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 123
  def change(options)
    new_year   = options.fetch(:year, year)
    new_month  = options.fetch(:month, month)
    new_day    = options.fetch(:day, day)
    new_hour   = options.fetch(:hour, hour)
    new_min    = options.fetch(:min, options[:hour] ? 0 : min)
    new_sec    = options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec)
    new_offset = options.fetch(:offset, nil)

    if new_nsec = options[:nsec]
      raise ArgumentError, &quot;Can&#39;t change both :nsec and :usec at the same time: #{options.inspect}&quot; if options[:usec]
      new_usec = Rational(new_nsec, 1000)
    else
      new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000))
    end

    raise ArgumentError, &quot;argument out of range&quot; if new_usec &gt;= 1000000

    new_sec += Rational(new_usec, 1000000)

    if new_offset
      ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec, new_offset)
    elsif utc?
      ::Time.utc(new_year, new_month, new_day, new_hour, new_min, new_sec)
    elsif zone.respond_to?(:utc_to_local)
      new_time = ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec, zone)

      # Some versions of Ruby have a bug where Time.new with a zone object and
      # fractional seconds will end up with a broken utc_offset.
      # This is fixed in Ruby 3.3.1 and 3.2.4
      unless new_time.utc_offset.integer?
        new_time += 0
      end

      # When there are two occurrences of a nominal time due to DST ending,
      # `Time.new` chooses the first chronological occurrence (the one with a
      # larger UTC offset). However, for `change`, we want to choose the
      # occurrence that matches this time&#39;s UTC offset.
      #
      # If the new time&#39;s UTC offset is larger than this time&#39;s UTC offset, the
      # new time might be a first chronological occurrence. So we add the offset
      # difference to fast-forward the new time, and check if the result has the
      # desired UTC offset (i.e. is the second chronological occurrence).
      offset_difference = new_time.utc_offset - utc_offset
      if offset_difference &gt; 0 &amp;&amp; (new_time_2 = new_time + offset_difference).utc_offset == utc_offset
        new_time_2
      else
        new_time
      end
    elsif zone
      ::Time.local(new_sec, new_min, new_hour, new_day, new_month, new_year, nil, nil, isdst, nil)
    else
      ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec, utc_offset)
    end
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L123" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-compare_with_coercion">
            
              compare_with_coercion(other)
            
          </h3>

          
            <div class="description">
              <p>Layers additional behavior on <a href="Time.html#method-i-3C-3D-3E"><code>Time#&lt;=&gt;</code></a> so that <a href="DateTime.html"><code>DateTime</code></a> and <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> instances can be chronologically compared with a <a href="Time.html"><code>Time</code></a></p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-3C-3D-3E">&lt;=&gt;</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 329
  def compare_with_coercion(other)
    # we&#39;re avoiding Time#to_datetime and Time#to_time because they&#39;re expensive
    if other.class == Time
      compare_without_coercion(other)
    elsif other.is_a?(Time)
      # also avoid ActiveSupport::TimeWithZone#to_time before Rails 8.0
      if other.respond_to?(:comparable_time)
        compare_without_coercion(other.comparable_time)
      else
        compare_without_coercion(other.to_time)
      end
    else
      to_datetime &lt;=&gt; other
    end
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L329" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-compare_without_coercion">
            
              compare_without_coercion(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-3C-3D-3E">&lt;=&gt;</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-end_of_day">
            
              end_of_day()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the end of the day, 23:59:59.999999</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-at_end_of_day">at_end_of_day</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 256
  def end_of_day
    change(
      hour: 23,
      min: 59,
      sec: 59,
      usec: Rational(999999999, 1000)
    )
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L256" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-end_of_hour">
            
              end_of_hour()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the end of the hour, x:59:59.999999</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-at_end_of_hour">at_end_of_hour</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 273
  def end_of_hour
    change(
      min: 59,
      sec: 59,
      usec: Rational(999999999, 1000)
    )
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L273" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-end_of_minute">
            
              end_of_minute()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the end of the minute, x:xx:59.999999</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-at_end_of_minute">at_end_of_minute</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 289
  def end_of_minute
    change(
      sec: 59,
      usec: Rational(999999999, 1000)
    )
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L289" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-eql-3F">
            
              eql?(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-eql_without_coercion">eql_without_coercion</a>
            </div>
          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-eql_with_coercion">eql_with_coercion</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-eql_with_coercion">
            
              eql_with_coercion(other)
            
          </h3>

          
            <div class="description">
              <p>Layers additional behavior on <a href="Time.html#method-i-eql-3F"><code>Time#eql?</code></a> so that <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> instances can be eql? to an equivalent <a href="Time.html"><code>Time</code></a></p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-eql-3F">eql?</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 349
  def eql_with_coercion(other)
    # if other is an ActiveSupport::TimeWithZone, coerce a Time instance from it so we can do eql? comparison
    other = other.comparable_time if other.respond_to?(:comparable_time)
    eql_without_coercion(other)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L349" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-eql_without_coercion">
            
              eql_without_coercion(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-eql-3F">eql?</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-formatted_offset">
            
              formatted_offset(colon = true, alternate_utc_string = nil)
            
          </h3>

          
            <div class="description">
              <p>Returns a formatted string of the offset from UTC, or an alternative string if the time zone is already UTC.</p>

<pre><code>Time.local(2000).formatted_offset        # =&gt; &quot;-06:00&quot;
Time.local(2000).formatted_offset(false) # =&gt; &quot;-0600&quot;
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/conversions.rb, line 69
  def formatted_offset(colon = true, alternate_utc_string = nil)
    utc? &amp;&amp; alternate_utc_string || ActiveSupport::TimeZone.seconds_to_utc_offset(utc_offset, colon)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/conversions.rb#L69" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-in">
            
              in(seconds)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-since">since</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-midday">
            
              midday()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-middle_of_day">middle_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-middle_of_day">
            
              middle_of_day()
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the middle of the day (12:00)</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-midday">midday</a>, <a href="Time.html#method-i-noon">noon</a>, <a href="Time.html#method-i-at_midday">at_midday</a>, <a href="Time.html#method-i-at_noon">at_noon</a>, <a href="Time.html#method-i-at_middle_of_day">at_middle_of_day</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 246
  def middle_of_day
    change(hour: 12)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L246" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-midnight">
            
              midnight()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-beginning_of_day">beginning_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-minus_with_coercion">
            
              minus_with_coercion(other)
            
          </h3>

          
            <div class="description">
              <p><a href="Time.html#method-i-2D"><code>Time#-</code></a> can also be used to determine the number of seconds between two <a href="Time.html"><code>Time</code></a> instances. We’re layering on additional behavior so that <a href="ActiveSupport/TimeWithZone.html"><code>ActiveSupport::TimeWithZone</code></a> instances are coerced into values that <a href="Time.html#method-i-2D"><code>Time#-</code></a> will recognize</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-2D">-</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 320
  def minus_with_coercion(other)
    other = other.comparable_time if other.respond_to?(:comparable_time)
    other.is_a?(DateTime) ? to_f - other.to_f : minus_without_coercion(other)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L320" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-minus_without_coercion">
            
              minus_without_coercion(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-2D">-</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-minus_without_duration">
            
              minus_without_duration(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-2D">-</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-next_day">
            
              next_day(days = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of days in the future.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 363
  def next_day(days = 1)
    advance(days: days)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L363" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-next_month">
            
              next_month(months = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of months in the future.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 373
  def next_month(months = 1)
    advance(months: months)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L373" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-next_year">
            
              next_year(years = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of years in the future.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 383
  def next_year(years = 1)
    advance(years: years)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L383" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-noon">
            
              noon()
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-middle_of_day">middle_of_day</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-prev_day">
            
              prev_day(days = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of days ago.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 358
  def prev_day(days = 1)
    advance(days: -days)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L358" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-prev_month">
            
              prev_month(months = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of months ago.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 368
  def prev_month(months = 1)
    advance(months: -months)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L368" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-prev_year">
            
              prev_year(years = 1)
            
          </h3>

          
            <div class="description">
              <p>Returns a new time the specified number of years ago.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 378
  def prev_year(years = 1)
    advance(years: -years)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L378" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-sec_fraction">
            
              sec_fraction()
            
          </h3>

          
            <div class="description">
              <p>Returns the fraction of a second as a <code>Rational</code></p>

<pre><code>Time.new(2012, 8, 29, 0, 0, 0.5).sec_fraction # =&gt; (1/2)
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 107
  def sec_fraction
    subsec
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L107" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-seconds_since_midnight">
            
              seconds_since_midnight()
            
          </h3>

          
            <div class="description">
              <p>Returns the number of seconds since 00:00:00.</p>

<pre><code>Time.new(2012, 8, 29,  0,  0,  0).seconds_since_midnight # =&gt; 0.0
Time.new(2012, 8, 29, 12, 34, 56).seconds_since_midnight # =&gt; 45296.0
Time.new(2012, 8, 29, 23, 59, 59).seconds_since_midnight # =&gt; 86399.0
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 91
  def seconds_since_midnight
    to_i - change(hour: 0).to_i + (usec / 1.0e+6)
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L91" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-seconds_until_end_of_day">
            
              seconds_until_end_of_day()
            
          </h3>

          
            <div class="description">
              <p>Returns the number of seconds until 23:59:59.</p>

<pre><code>Time.new(2012, 8, 29,  0,  0,  0).seconds_until_end_of_day # =&gt; 86399
Time.new(2012, 8, 29, 12, 34, 56).seconds_until_end_of_day # =&gt; 41103
Time.new(2012, 8, 29, 23, 59, 59).seconds_until_end_of_day # =&gt; 0
</code></pre>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 100
  def seconds_until_end_of_day
    end_of_day.to_i - to_i
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L100" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-since">
            
              since(seconds)
            
          </h3>

          
            <div class="description">
              <p>Returns a new <a href="Time.html"><code>Time</code></a> representing the time a number of seconds since the instance time</p>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-in">in</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/calculations.rb, line 225
  def since(seconds)
    self + seconds
  rescue TypeError
    result = to_datetime.since(seconds)
    ActiveSupport.deprecator.warn(
      &quot;Passing an instance of #{seconds.class} to #{self.class}#since is deprecated. This behavior will raise &quot; \
      &quot;a `TypeError` in Rails 8.1.&quot;
    )
    result
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/calculations.rb#L225" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-to_formatted_s">
            
              to_formatted_s(format = :default)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Time.html#method-i-to_fs">to_fs</a>
            </div>
          

          
          
        </div>
        
        <div class="method">
          <h3 id="method-i-to_fs">
            
              to_fs(format = :default)
            
          </h3>

          
            <div class="description">
              <p>Converts to a formatted string. See <a href="Time.html#DATE_FORMATS"><code>DATE_FORMATS</code></a> for built-in formats.</p>

<p>This method is aliased to <code>to_formatted_s</code>.</p>

<pre><code>time = Time.now                    # =&gt; 2007-01-18 06:10:17 -06:00

time.to_fs(:time)                  # =&gt; &quot;06:10&quot;
time.to_formatted_s(:time)         # =&gt; &quot;06:10&quot;

time.to_fs(:db)           # =&gt; &quot;2007-01-18 06:10:17&quot;
time.to_fs(:number)       # =&gt; &quot;20070118061017&quot;
time.to_fs(:short)        # =&gt; &quot;18 Jan 06:10&quot;
time.to_fs(:long)         # =&gt; &quot;January 18, 2007 06:10&quot;
time.to_fs(:long_ordinal) # =&gt; &quot;January 18th, 2007 06:10&quot;
time.to_fs(:rfc822)       # =&gt; &quot;Thu, 18 Jan 2007 06:10:17 -0600&quot;
time.to_fs(:rfc2822)       # =&gt; &quot;Thu, 18 Jan 2007 06:10:17 -0600&quot;
time.to_fs(:iso8601)      # =&gt; &quot;2007-01-18T06:10:17-06:00&quot;
</code></pre>

<h2 id="method-i-to_fs-label-Adding+your+own+time+formats+to+to_fs">Adding your own time formats to <code>to_fs</code></h2>

<p>You can add your own formats to the <a href="Time.html#DATE_FORMATS"><code>Time::DATE_FORMATS</code></a> hash. Use the format name as the hash key and either a strftime string or Proc instance that takes a time argument as the value.</p>

<pre><code># config/initializers/time_formats.rb
Time::DATE_FORMATS[:month_and_year] = &#39;%B %Y&#39;
Time::DATE_FORMATS[:short_ordinal]  = -&gt;(time) { time.strftime(&quot;%B #{time.day.ordinalize}&quot;) }
</code></pre>
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Time.html#method-i-to_formatted_s">to_formatted_s</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/conversions.rb, line 55
  def to_fs(format = :default)
    if formatter = DATE_FORMATS[format]
      formatter.respond_to?(:call) ? formatter.call(self).to_s : strftime(formatter)
    else
      to_s
    end
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/conversions.rb#L55" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-to_time">
            
              to_time()
            
          </h3>

          
            <div class="description">
              <p>Either return <code>self</code> or the time in the local system timezone depending on the setting of <code>ActiveSupport.to_time_preserves_timezone</code>.</p>
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/time/compatibility.rb, line 13
  def to_time
    preserve_timezone ? self : getlocal
  end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/time/compatibility.rb#L13" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
      
    
  
</div>

    </div>
</div>