Nuke's Mayan Calendar Converter

Enter in a date (year must not be 0, use "-1" to get "1 BC").
Get three Mayan calendar dates back, both using Mayan writing and a romanization thereof.

Long Count (historical)

13.0.0.0.0

Tzolkin (religious)

1 Imix

Haab (civil)

0 Pop

The equivalent of Y2k would be on

• August 11, 3114 BC
• November 13, 2720 BC
• February 16, 2325 BC
• May 21, 1931 BC
• August 23, 1537 BC
• November 26, 1143 BC
• February 28, 748 BC
• June 3, 354 BC
• September 5, 41
• December 9, 435
• March 13, 830
• June 15, 1224
This is the first place where the dates actually start making sense, around 1582, although confusion existed for over another century into the 1700.
• September 18, 1618
• December 21, 2012
• March 26, 2407
• June 28, 2801
• October 1, 3195
• January 3, 3590
• April 7, 3984
• July 11, 4378
but on October 13, 4772 and anywhere after that, and the Mayans would have had to add another digit.

And once I finished all of the coding for this page, I started looking for someplace that explained the history of calendar reform so I could link to it and be useful. Instead I found http://www.fourmilab.ch/documents/calendar/ which, thankfully, agrees with me, and converts a lot more calendars than I do. Mine has pictures, though. Theirs doesn't have pictures. Theirs probably wasn't done while watching people cook on TV.