Calendars through the ages
http://www.webexhibits.org/calendars
What was the deal with that extra second just before midnight on December 31, 2008? What’s a Julian calendar? Why are Chinese calendar years named for animals? Explore all about the astronomy and history of calendar systems. (Do check out the other exhibits at webexhibits.org and don’t miss Daylight Saving Time, SpicyNodes version.)
No comments:
Post a Comment