Mayan Calendar Converter
Convert dates between Gregorian and Mayan calendar systems with Long Count, Tzolk'in, and Haab dates
Calendar Conversion
Example Conversions
Creation Day
Gregorian: August 11, 3114 BCE
Long Count: 0.0.0.0.0
Tzolk'in: 4 Ajaw
Haab: 8 Kumk'u
2012 "End of World"
Gregorian: December 21, 2012
Long Count: 13.0.0.0.0
Note: Start of the 13th b'ak'tun, not the end of the world!
Today's Date
Convert today's date to see what it looks like in the ancient Mayan calendar system
Mayan Calendar Systems
Long Count
5,125-year cycle
Tracks large periods of time
Tzolk'in
260-day sacred cycle
20 day names × 13 numbers
Haab
365-day solar cycle
18 months + 5 unlucky days
Lords of Night
9-day cycle
Underworld deities
Long Count Units
Understanding the Mayan Calendar
The Mayan Civilization
The Maya civilization flourished in Mesoamerica for over a millennium, developing sophisticated mathematical and astronomical knowledge. Their calendar system was one of the most accurate in the ancient world, reflecting their deep understanding of celestial cycles.
Why Multiple Calendars?
- •Religious purposes: Tzolk'in for sacred rituals
- •Agricultural cycles: Haab for farming seasons
- •Historical record: Long Count for dating events
- •Ceremonial timing: Lords of Night for rituals
How the Conversion Works
Key Reference Points
- Creation Date: August 11, 3114 BCE
- Julian Day Number: 584,283
- Long Count: 0.0.0.0.0
- Tzolk'in: 4 Ajaw
- Haab: 8 Kumk'u
Calculation Steps
- 1. Convert date to Julian Day Number
- 2. Calculate days since Mayan creation
- 3. Divide by Long Count periods
- 4. Apply modular arithmetic for cycles
- 5. Account for calendar offsets