# Ziptz
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Get the time zone for any US ZIP code.
ZIP codes are up to date as of July 2017.
## Installation
Add the gem to your Gemfile:
gem 'ziptz'
## Usage
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 savings time.
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.
## License
Copyright (c) 2015-2017 Keith Morrison <>
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:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.