From: Dennis Poulter
Message: 3527
Date: 2000-09-02
----- Original Message -----
From: petegray <petegray@...>
To: <cybalist@egroups.com>
Sent: Tuesday, 29 August, 2000 1:51 AM
Subject: Re: [tied] Ancient Egyptian calendar problems
>
> They Egyptians had a very good calendar by the Roman period, and the
problem
> of "wandering" had been solved - Julius Caesar pinched the idea of leap
> years from it.
>
> I don't believe it is the case that "all cultures" had solved this
problem,
> or even that they knew the year was 365 and a bit days long. The Roman
> calendar was two months short at one stage, and was six months out when
> Julius Caesar revised it. The priests used to insert an entire month when
> they deemed it right - which meant when they liked whoever was in power.
> The classical Greeks likewise had not solved the problem of how long the
> year is, though later Greek science was able to establish a whole bunch of
> stuff (such as precession of the equinoxes) better than astronomers in the
> 1800's.
>
> The modern Islamic claendar is strictly lunar, which means it does not
> pretend to follow the sun or the seasons. It is 11 days shorter than the
> solar calendar, so Ramadan moves forward 11 days each year.
Interestingly,
> the year 200 had Ramadan twice, once very early in January, the other very
> late in December. The month changes only when the new moon can actually
be
> seen at Mecca, so dating in advance is never quite certain.
>
> The modern Hebrew and Sikh and Hindu calendars are a compromise, with
> certain festivals or events fixed within a range (a bit like Easter is in
> the Christian religious calendar), so that Autumn festivals occur in
Autumn
> and so on.
>
> Hope that helps
> Peter
>
>
>
>
>