tz — dateutil 3.9.0 documentationtz This module offers timezone implementations subclassing the abstract datetime.tzinfo type. There are classes to handle tzfile format files (usually are in /etc/localtime, /usr/share/zoneinfo, etc), TZ environment string (in all known formats), given ranges (with help from relative deltas), local machine timezone, fixed offset timezone, and UTC timezone. Objects dateutil.tz.UTC A convenience
