Calendar`
Calendar`

Calendar

As of Version 10.0, calendar functionality is built into the Wolfram Language »

Calendar

is an option for calendar functions that specifies which calendar system to use.

Details and Options

  • To use Calendar, you first need to load the Calendar Package using Needs["Calendar`"].
  • Calendar->system specifies to use calendar system system.
  • The following settings can be given:
  • GregorianGregorian calendar
    JulianJulian calendar
    IslamicIslamic calendar
    JewishJewish calendar
  • With Calendar->Automatic, the Julian calendar is used before September 3, 1752, and the Gregorian calendar after September 13, 1752.

Examples

Basic Examples  (3)

Compute the number of days in the Islamic year 1420:

Compute the number of days in the Jewish year 5760:

In the Julian calendar, the year 1900 was a leap year:

This is not true in the standard (Gregorian) Western calendar: