Step-by-step instructions
- Enter or select Elapsed Long Count days.
- Enter or select Calendar Round cycles to add.
- Tap Calculate.
- Review the result shown directly below the calculator.
Move forward by one or more complete Calendar Rounds.
Move forward by one or more complete Calendar Rounds.
The Calendar Round is the least-common-multiple realignment of the 260-day Tzolk'in and 365-day Haab: 18,980 days.
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.