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To: TideGlider who wrote (409134)2/7/2011 7:43:48 AM
From: Tom Clarke2 Recommendations  Read Replies (1) | Respond to of 793914
 
simply ran out of room

I've been saying that all along. Or maybe they just got tired.



To: TideGlider who wrote (409134)2/7/2011 7:48:49 AM
From: goldworldnet1 Recommendation  Read Replies (1) | Respond to of 793914
 
The NASA writer took the position that 2012 was merely the end of the Mayan long cycle. The Gregorian calender has a 400 year cycle for leap years.

Every year that is exactly divisible by four is a leap year, except for years that are exactly divisible by 100; the centurial years that are exactly divisible by 400 are still leap years. For example, the year 1900 is not a leap year; the year 2000 is a leap year.

en.wikipedia.org

There are also 14 different annual calenders since your birthday can fall on 7 different days of the week. Thus, there are 7 annual calenders for leap years and there are 7 annual calenders for non-leap years.

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