[LMB] OT: leap day and exact calendars (was QOTD #11)

[Mark Allums]

Tzivia Adler wrote:

> why do they need calendar beyond, planting season, growing season, harvest 
> season, rainy season, etc.  its the lunar calendar that needs a leap month 
> to keep up wiht the sun, but the solar calendar loses very little time per 
> year.

Attempts at an accurate calandar go waaaaay back.  The ancient Egyptians 
needed to try to forecast the annual flooding of the Nile, to give one 
example.

--MArk Allums