The goal of the DateTime Project is to produce a suite of
inter-operable modules for dealing with dates and times. The suite
includes modules in the following categories:
* A base DateTime object, possibly with multiple implementations.
This object represents the Gregorian in calendar in use today.
* A set of modules for dealing with today's complex time zone
system. These modules work together with the base DateTime
object to handle the complexities of dealing with the local
times.
* Parsing and formatting datetimes.
* Classes to represent other calendars that are, or have been,
used around the world such as the Hebrew calendar, the Chinese
calendar, and so on.
* Classes for things like sets of datetimes, datetime spans, and
so on. These things are quite important when doing calendaring
or scheduling, to name a couple applications of these concepts.
* Modules to do special purpose tasks, such as calculating the
date upon which Easter falls in a given year.
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