Python 3.9 introduced major changes with respect to time zones by adding the
zoneinfo database. In this lesson, you’ll learn how to use the
ZoneInfo class to add time zone information to a
datetime object. You’ll also explore the complexities caused by inconsistent naming standards.
If you’d like to read more about the Christmas Island/Kiritimati example, you can check out Python 3.9: Cool New Features for You to Try.