Python API for dealing with timezones
pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher. It also solves the issue of ambiguous times at the end of daylight savings, which you can read more about in the Python Library Reference (datetime.tzinfo). pytz is only here for backwards compatibility. Newer software should use "zoneinfo", included in the standard library from Python 3.9 onwards.
Homepage: https://pythonhosted.org/pytz/