tzl

tzlocal

A Python module that tries to figure out what your local timezone is

Showing:

Popularity

Downloads/wk

0

GitHub Stars

140

Maintenance

Last Commit

1mo ago

Contributors

26

Package

Dependencies

4

License

MIT

Categories

Readme

tzlocal

API CHANGE!

With version 3.0 of tzlocal, it no longer returns pytz objects, but zoneinfo objects. This, and the dropping of Python 2 support, are the only differences, so if you need to use pytz objects, you can continue to use tzlocal 2.1.

If there is demand for it, I may continue to support the 2.1 branch for some time.

Info

This Python module returns a tzinfo object with the local timezone information under Unix and Windows. It requires either Python 3.9+ or the backports.tzinfo package, and returns zoneinfo.ZoneInfo objects.

This module attempts to fix a glaring hole in the zoneinfo module, that there is no way to get the local timezone information, unless you know the zoneinfo name, and under several Linux distros that's hard or impossible to figure out.

With tzlocal you only need to call get_localzone() and you will get a tzinfo object with the local time zone info. On some Unices you will still not get to know what the timezone name is, but you don't need that when you have the tzinfo file. However, if the timezone name is readily available it will be used.

Supported systems

These are the systems that are in theory supported:

  • Windows 2000 and later

  • Any unix-like system with a /etc/localtime or /usr/local/etc/localtime

If you have one of the above systems and it does not work, it's a bug. Please report it.

Please note that if you are getting a time zone called local, this is not a bug, it's actually the main feature of tzlocal, that even if your system does NOT have a configuration file with the zoneinfo name of your time zone, it will still work.

You can also use tzlocal to get the name of your local timezone, but only if your system is configured to make that possible. tzlocal looks for the timezone name in /etc/timezone, /var/db/zoneinfo, /etc/sysconfig/clock and /etc/conf.d/clock. If your /etc/localtime is a symlink it can also extract the name from that symlink.

If you need the name of your local time zone, then please make sure your system is properly configured to allow that. If it isn't configured, tzlocal will default to UTC.

Usage

Load the local timezone:

>>> from tzlocal import get_localzone
>>> tz = get_localzone()
>>> tz
<DstTzInfo 'Europe/Warsaw' WMT+1:24:00 STD>

Create a local datetime:

>>> from datetime import datetime
>>> dt = datetime(2015, 4, 10, 7, 22, tzinfo=tz)
>>> dt
datetime.datetime(2015, 4, 10, 7, 22, tzinfo=<DstTzInfo 'Europe/Warsaw' CEST+2:00:00 DST>)

Lookup another timezone with zoneinfo (backports.zoneinfo on Python 3.8 or earlier):

>>> from zoneinfo import ZoneInfo
>>> eastern = ZoneInfo('US/Eastern')

Convert the datetime:

>>> dt.astimezone(eastern)
datetime.datetime(2015, 4, 10, 1, 22, tzinfo=<DstTzInfo 'US/Eastern' EDT-1 day, 20:00:00 DST>)

Development

To create a development environment, create a virtualenv and make a development installation::

$ virtualenv ve
$ source ve/bin/activation (Win32: .\ve\Scripts\activate)
(ve) $ pip install -e .[test,devenv]

To run tests, just use pytest, coverage is nice as well::

(ve) $ pytest --cov=tzlocal

Maintainer

Contributors

  • Marc Van Olmen
  • Benjamen Meyer
  • Manuel Ebert
  • Xiaokun Zhu
  • Cameris
  • Edward Betts
  • McK KIM
  • Cris Ewing
  • Ayala Shachar
  • Lev Maximov
  • Jakub Wilk
  • John Quarles
  • Preston Landers
  • Victor Torres
  • Jean Jordaan
  • Zackary Welch
  • Mickaël Schoentgen
  • Gabriel Corona
  • Alex Grönholm
  • Julin S
  • Miroslav Šedivý
  • revansSZ
  • Sam Treweek

(Sorry if I forgot someone)

License

Rate & Review

Great Documentation0
Easy to Use0
Performant0
Highly Customizable0
Bleeding Edge0
Responsive Maintainers0
Poor Documentation0
Hard to Use0
Slow0
Buggy0
Abandoned0
Unwelcoming Community0
100