Re: I Should've Been Asleep Two Hours Ago...

Quoting "Mark J. Reed" <markjreed@...>:

> The Islamic calendar is also observational - but literally; a month only
> ends after 29 days if the appointed religious official actually sees the
> new crescent moon in the sky at sunset.  Otherwise the month is 30 days
> long.  Since crescent visibility depends on a lot of factors that are
> not completely predictable, like weather, Islamic calendars prepared in
> advance are only approximate.
I assume this is today done centrally, but in the days before modern
communications, mustn't it have led to desynchronization of the Islamic
caldenars used in different regions?

                                                       Andreas

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