Chac Crack

Chac Crack


Chac Crack

Chac is a complete, accurate Maya calendar application. It can find Maya calendar dates based on today’s date, any date, a Long Count, Tzolk’in, Haab’, Calendar Round, Julian day number, distance number, long reckoning , seatings in the cycle of God K, and convert between the Julian and Gregorian calendars. Chac can find the next heliacal or cosmical rising or setting of Venus and the visibility of the current inscription or date.

You can use a large range of correlation constants, any one of the six possible moon numbers, astronomical or historical dating, any of the four Year Bearer systems and appearance of the

What’s New

Version 2.5.7:

  • Improved the edit menu to facilitate cut, copy and paste functions between the editable text fields in the panels.
  • Added initialization of the file type extension in the suggested file name in the save as… panel so the first file name would include the file type extension.
  • Edited the Venus section of the Methods of Calculating Maya Calendar Dates section of the Help Book to clarify this.


  • Intel, 64-bit processor
  • OS X 10.6.6 or later

Chac Crack

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