A Short History of the Modern Calendar

Posted on Friday, February 3rd, 02012 by Austin Brown
link Categories: Long Shorts, Long Term Thinking   chat 0 Comments

Keeping time, it turns out, is a messy business. In order to satisfy science, religion, and sometimes ego, our calendar has changed quite a bit throughout history. This video by Jeremiah Warren tells the story up to now.

Since we can’t predict what changes might be made in the future, the 10,000 Year Clock has been designed to keep track of the cycles of the Sun, the Moon, the planets and the constellations – things even the largest of egos will have trouble changing.

  • http://longgame.org/ Matt Warren

    Great find. Thanks for sharing.

  • Mark W. Kidd

    I’d really enjoy a treatment of other calendar systems that have been superceded by the Julian/Gregorian system. Anyone have a good link along those lines?

  • Alan Marcano

    nice video, i am also more into 
    Julian/Gregorian system.
     I dont see why so many people have panic about end of the world in 2012

  • tp1024

    However, the year is not, in fact, 365.2425 days long (as the Gregorian calendar would imply) but 365.24218 days.

    Now, this wouldn’t matter all that much, if it wasn’t for a bunch of people building a 10,000 year clock that would actually be off by 3 days and 5 hours by the time it is supposed to complete its cycle of operation …

    On the bright side, however, this would mean that Christmas would finally be on winter solstices.


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