Step-by-step instructions
- Enter or select Baktun.
- Enter or select Katun.
- Enter or select Tun.
- Enter or select Uinal.
- Enter or select K'in.
- Tap Calculate.
- Review the result shown directly below the calculator.
Convert a Long Count to a proleptic Gregorian date using GMT correlation 584283.
Convert a Long Count to a proleptic Gregorian date using GMT correlation 584283.
This converter uses the Goodman-Martínez-Thompson correlation constant 584283. Correlation choices are scholarly conventions, so other published systems can differ.
Enter the requested Maya calendar or number values and compare the result with the documented cycle lengths shown in the explanation.
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.