This module holds two different tzinfo implementations that can be used as the tzinfo argument to datetime constructors, directly passed to Psycopg functions or used to set the cursor.tzinfo_factory attribute in cursors.
Fixed offset in minutes east from UTC.
This is exactly the implementation found in Python 2.3.x documentation, with a small change to the __init__() method to allow for pickling and a default name in the form sHH:MM (s is the sign.).
Platform idea of local timezone.
This is the exact implementation from the Python 2.3 documentation.