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Ruby Holidays Gem

A set of functions to deal with holidays in Ruby.

Extends Ruby's built-in Date class and supports custom holiday definition lists.


To install the gem from RubyGems:

gem install holidays

Time zones

Time zones are ignored. This library assumes that all dates are within the same time zone.


For more information, see the notes at the top of the Holidays module. A super minimal web interface is here:

Using the Holidays class

Get all holidays on April 25, 2008 in Australia.

date = Date.civil(2008,4,25)

Holidays.on(date, :au)
=> [{:name => 'ANZAC Day',...}]

Get holidays that are observed on July 2, 2007 in British Columbia, Canada.

date = Date.civil(2007,7,2)

Holidays.on(date, :ca_bc, :observed)
=> [{:name => 'Canada Day',...}]

Get all holidays in July, 2008 in Canada and the US.

from = Date.civil(2008,7,1)
to = Date.civil(2008,7,31)

Holidays.between(from, to, :ca, :us)
=> [{:name => 'Canada Day',...}
    {:name => 'Independence Day',...}]

Get informal holidays in February.

from = Date.civil(2008,2,1)
to = Date.civil(2008,2,15)

Holidays.between(from, to)
=> [{:name => 'Valentine\'s Day',...}]

Extending Ruby's Date class

Check which holidays occur in Iceland on January 1, 2008.

d = Date.civil(2008,7,1)

=> [{:name => 'Nýársdagur'}...]

Lookup Canada Day in different regions.

d = Date.civil(2008,7,1) # Canada
=> true # British Columbia, Canada
=> true # France
=> false

Credits and code

Started by Alex Dunae (, e-mail 'code' at the same domain), 2007-12.

On Twitter: @MrMrBug.

Made on Vancouver Island.

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