Calendar Info.

A Walk Through Time A NIST Physics Laboratory presentation - The Evolution of Time Measurement	733
Gregorian Calendar Albert Van Helden's history of the Gregorian calendar.	593
Peter Meyer's Calendar Studies Articles on various calendars (Gregorian, Maya, lunar, etc.) and calendrical topics.	440
Julian Day Numbers Article about the nature and origin of the Julian day number system.	1639
Doomsday Algorithm for day of week The Doomsday algorithm gives you the day of the week (Sunday, Monday, etc.) for any date, and you can do it in your head.	725
The Calendar A comparison of various calendar systems.	589
Calendopaedia - The Encyclopedia of Calendars A description and comparison of calendars from around the world and across time.	464
Time Emits - Ages of Adam Time Emits - Ages of Adam is about ancient calendars of the Holy Bible	464