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Islamic

Islamic
represents the Islamic calendar system.

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To use Islamic, you first need to load the Calendar Package using Needs["Calendar`"].

Islamic is a value for the Calendar option, and can be used as an argument to CalendarChange.

This calendar began on {622, 7, 16} Julian, or {1, 1, 1} in the Islamic calendar (one date given for the Hejira).

EXAMPLES

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Basic Examples (5)

Needs["Calendar`"]

The argument Islamic to CalendarChange converts between Western (Gregorian) dates and Islamic dates. This computes the Islamic date of January 1, 2000:

In[2]:=

Out[2]=

Needs["Calendar`"]

The Islamic calendar has the following months:

In[2]:=

The above date is therefore the 24

of Ramadan, 1420.

Needs["Calendar`"]

The Western date for the beginning of Ramadan of the Islamic year 1420:

In[2]:=

Out[2]=

Needs["Calendar`"]

The Islamic year has fewer days than the Western year:

Needs["Calendar`"]

The Islamic calendar is purely lunar (time of month corresponds to phase of the moon) but does not keep track of seasons, since there is no leap month. The Islamic calendar moves backwards with respect to the Western calendar; for example, the start of Ramadan in successive years: