Free CalculatorWiser tool

Gregorian to Complete Maya Date Calculator

Return Long Count, Tzolk'in, and Haab positions using GMT correlation 584283.

How to use the Gregorian to Complete Maya Date Calculator

Return Long Count, Tzolk'in, and Haab positions using GMT correlation 584283.

Step-by-step instructions

  1. Enter or select Gregorian year (0 = 1 BCE, -1 = 2 BCE).
  2. Enter or select Month 1-12.
  3. Enter or select Day 1-31.
  4. Tap Calculate.
  5. Review the result shown directly below the calculator.

What the inputs mean

Gregorian year (0 = 1 BCE, -1 = 2 BCE)
Enter the value requested by this field label.
Month 1-12
Enter the value requested by this field label.
Day 1-31
Enter the value requested by this field label.

Formula or calculation method

This converter uses the Goodman-Martínez-Thompson correlation constant 584283. Correlation choices are scholarly conventions, so other published systems can differ.

Example

Example: under GMT 584283, December 21, 2012 corresponds to Long Count 13.0.0.0.0.

How to understand the result

Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.