Calendrical

Datizo-js is a javascript Framework to handle dates and perform complex calendrical calculations. The code is already useable and is almost a complete addon or replacement for the native javascript date object: you can verify a date, explode it, get the weekday, get the ISO week number. Expect... Platforms: *nix

Date::ISO8601 - the three ISO 8601 numerical calendars The international standard ISO 8601 "Data elements and interchange formats - Information interchange - Representation of dates and times" defines three distinct calendars by which days can be labelled. It also defines textual formats for the... Platforms: *nix

DateTime::Calendar::Mayan is a Perl module with the Mayan Long Count, Haab, and Tzolkin calendars. SYNOPSIS use DateTime::Calendar::Mayan my $dtcm = DateTime::Calendar::Mayan->new( baktun => 12, katun => 19, tun => 10, uinal => 2, kin => 8, # alternate epoch epoch => DateTime->new(... Platforms: *nix

libcalen is an open source and generic calendar calculation library written in C according to the algorithms described (in Lisp) in "Calendrical Calculations" by Nachum, Dershowitz and Edward M. Reingold. The directory "apps" contains the source code for a program called "holiday" which can... Platforms: Mac