DateTime is a class for the representation of date/time combinations, and is part of the Perl DateTime project. For details on this project please see <http://datetime.perl.org/>. The DateTime site has a FAQ which may help answer many "how do I do X?...

This module will return the sunrise and sunset for a given day. Months are numbered 1 to 12, in the usual way, not 0 to 11 as in C and in Perl's localtime. Eastern longitude is entered as a positive number Western longitude is entered as a negative n...

This module will computes the time of sunrise and sunset for a given date and a given location. The computation uses Paul Schlyter's algorithm. Actually, the module creates a DateTime::Event::Sunrise object or a DateTime::Set object, which are used t...