Astronomical
Maya Calendar Round
Tzolk'in × Haab' · repeats every 52 years
The interlocking 260-day sacred Tzolkʼin and 365-day Haabʼ; a given pairing recurs only once every 52 years — the Calendar Round that governed Mesoamerican ritual.
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In UTC at 02:02 on October 27, 2026, this calendar read 5 Etznab, 11 Zac. The reading above is live, in your own time zone.
At a glance
- Type
- Cyclical — two rounds turning together
- Origin
- Mesoamerica, shared by the Maya and their neighbors
- Year
- The 365-day Haabʼ: 18 months of 20 days, plus the 5-day Wayebʼ
- Week
- No week; the 260-day Tzolkʼin — 20 day-signs against 13 numbers
- Leap rule
- None — the Haabʼ drifts against the seasons
- Counts from
- No running count; any pairing comes round again every 52 years
- Where it’s used
- Historical across Mesoamerica; the Tzolkʼin is still kept by K’iche’ daykeepers
- How it’s worked out here
- The GMT correlation, the same one the Long Count uses
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