The datetime module supplies classes for manipulating dates and times.

While the date and time arithmetic is supported, the focus of the implementation is on efficient attribute extraction for output formatting and manipulation. For applications requiring aware objects, datetime and time objects have an optional time zone information attribute, tzinfo, that can be set to an instance of a subclass of the abstract tzinfo class. These tzinfo objects capture information about the offset from UTC time, the time zone name, and whether daylight saving time is in effect.