Description:

Generic classes for representation and manipulation of dates, times
and time zones without the need of timestamps, which is a huge
limitation for PHP programs. Includes time zone data, time zone
conversions and many date/time conversions. It does not rely on 32-bit
system date stamps, so you can display calendars and compare dates
that date pre 1970 and post 2038. This package also provides a class
to convert date strings between Gregorian and Human calendar formats.

In PEAR status of this package is: stable.