new Creates a new object. You must pass it the end points of a date interval as array references or ISO 8601 date strings. $i = Date::Calc::Iterator->new( from => [2003,12,1], to => [2003,12,10] ) "from" and "to" are, obviously, required. Optionally,...

"Test::MockTime::DateCalc" arranges for the functions in "Date::Calc" to follow the Perl level "time()" function (see perlfunc) and in particular any fake date/time set there by "Test::MockTime". The following "Date::Calc" functions are changed Syste...

The "Date" plugin provides an easy way to generate formatted time and date strings by delegating to the "POSIX" "strftime()" routine. The plugin can be loaded via the familiar USE directive. [% USE date %] This creates a plugin object with the defaul...

Date::Tie is an attempt to simplify date operations syntax. It works with calendar dates (year-month-day), ordinal dates (year-day), week dates (year-week-day), times (hour:minute:second), decimal fractions (decimal hours, decimal minutes and decimal...

A data domain is a description of a set of values, either scalar or structured (arrays or hashes). The description can include many constraints, like minimal or maximal values, regular expressions, required fields, forbidden fields, and also contextu...

This module is intended to provide a general-purpose date and datetime type for perl. You have a Class::Date class for absolute date and datetime, and have a Class::Date::Rel class for relative dates. You can use "+", "-", "<" and ">" operators as wi...

$days_in_decade = Days_in_Decade($year,$decade); This function returns how many days a given decade have. $decade_of_year = Decade_of_Year($year,$month,$day); This function returns which decade it is on a given date (from the 1. January). $decade_of_...

This package renders the Baha'i date from two standard date formats - epoch time and a (year, month, day) triple. It also converts a Baha'i date to standard ymd format. CYCLES Each cycle of nineteen years is called a Vahid. Nineteen cycles constitute...

I find biorhythms mildly amusing, but I got tired of visiting http://www.facade.com/biorhythm and having to deal with their web-based form for date entry. I vaguely remembered there being a Perl module for biorhythm calculation, but I couldn't find i...

Calendars define some notation to identify days in history. The Gregorian calendar, now in wide use, was established by Pope Gregory XIII in AD 1582 as an improvement over the less accurate Julian calendar that had been in use before. Both of these c...

Date::Christmas calculates the day of the week that Christmas will fall upon in any given year after the year 1600AD, including leap years when using a Gregorian Calendar. The algorithm is based on "The Formula for Christmas Day" on pages 261-262 in ...