Quoting "Mark J. Reed" <markjreed@...>:
> On Sun, Apr 25, 2004 at 12:15:20PM +0200, Andreas Johansson wrote:
> > 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?
>
> In the days before modern communications, what did it matter? :)
> Seriously, it amounts to a one-day discrepancy at most and is regarded
> as tanatmount to time zone differences in time of day.
It seems to me it would be inconvenient for trade and diplomacy if you could not
know what date it was in the next city.
Andreas