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Mayan Calendrics Software
 German version

This software was originally written to run under DOS, hence the text-based user interface, with selection of items by means of up- and down-arrow keys. But the program runs the same under Windows, and is started in the same way (by double-clicking on the icon in Windows Explorer). The software is available in a German version as well as in English.

In this software the so-called Goodman-Martinez-Thompson correlation number — 584,283 — is the default correlation number, but you can easily use any other. This software also allows specification of such comparatively arcane matters as the year-bearer system and the haab month base number.

Different systems are used in the various codices. The system used in the Dresden Codex ("Tikal") differs from that used in the Madrid Codex ("Mayapan"), and the system presupposed in the books of Dr. José Argüelles ("Yucatan") differs from both. Thus anyone seriously interested in matters involving the Maya Calendar needs to be able to convert Maya dates in more than one system.

The concepts of year-bearer system, etc., are explained in the documentation for the software:

The Maya Calendar
Introduction
Chapter 1: Maya and European Dates

  1. Long count dates
  2. Tzolkin dates
  3. Haab dates
  4. The Maya calendar round
  5. Julian dates
  6. Gregorian dates
  7. Julian day numbers
Chapter 2: The Correlation Problem
Chapter 3: The Yearbearer Systems
Bibliography

This software includes the ability to derive a list of possible correlation numbers from the association of a tzolkin/haab date with a particular Gregorian or Julian date. It is a useful tool to invoke when you find some writer who gives such a date as equivalent to some tzolkin/haab date. (For more details see Section 10 of the user manual.)

Here is the user manual for the software:

User Manual
  1. The startup screen
  2. Specification of the correlation number
  3. Specification of the yearbearers
  4. Specification of the haab month base number
  5. About today and tomorrow
  6. Generating a sequence of dates
  7. Converting a long count
  8. Converting a date to Mayan dates
  9. Converting a tzolkin/haab date
  10. Deriving correlation numbers
  11. Pictun arithmetic
  12. Use of the function keys

A testimonial for this software is here, and a review is here.

Operating systems: This software runs under Windows 98, Me, 2000, XP and Vista (and also MS-DOS). It will run on a Macintosh computer using a Windows emulator (it has been reported to run OK on a Mac Book Pro using a program called "Parallels") or using an implementation of Windows XP on a dual-processor Mac.

A user license for the Mayan Calendrics software is available for $13.49, €9.99 or £7.75.


via our Kagi order form.		 Or if you prefer
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Maya Kalender Software (German version)
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