Get time zone and daylight saving time for any US ZIP code.
ZIP codes are up to date as of July 2018.
Add the gem to your Gemfile:
Get the time zone name for any ZIP code:
z = Ziptz.new z.time_zone_name('97213') #=> "Pacific"
Get the time zone offset for any ZIP code:
z.time_zone_offset('97213') #=> -8
Note that offsets do not include daylight saving time.
Determine if the ZIP code uses Daylight Saving Time:
z.time_zone_uses_dst?('97213') #=> true
Get all the zip codes in a time zone:
z.zips('American Samoa') #=> ["96799", "96941", "96942", "96943", "96944"]
Supported Time Zones
- "Atlantic" UTC -04:00
- "Eastern" UTC -05:00
- "Central" UTC -06:00
- "Mountain" UTC -07:00
- "Pacific" UTC -08:00
- "Alaska" UTC -09:00
- "Hawaii-Aleutian Islands" UTC -10:00
- "American Samoa" UTC -11:00
- "Marshall Islands" UTC +12:00
- "Guam" UTC +10:00
- "Palau" UTC +09:00
- "Micronesia" UTC +11:00
Note that APO/FPO zip codes will not return a known time zone offset.
Copyright (c) 2015-2018 Keith Morrison <firstname.lastname@example.org>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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