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Study Reveals Maya's Eclipses Table Enhanced for Accuracy

11/20/2025

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Summary

Story summary

A study published in Science Advances shows the Dresden Codex's table of eclipses was repurposed from earlier lunar month tables to maintain long-term accuracy.
The Maya used three main calendars—the Long Count, the Tzolk’in, and the Haab’.
Most Maya texts were destroyed, leaving only four codices, including the Dresden Codex, which dates to the 11th or 12th century and details local history and astronomical data.

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Story summary

A study published in Science Advances shows the Dresden Codex's table of eclipses was repurposed from earlier lunar month tables to maintain long-term accuracy.
The Maya used three main calendars—the Long Count, the Tzolk’in, and the Haab’.
Most Maya texts were destroyed, leaving only four codices, including the Dresden Codex, which dates to the 11th or 12th century and details local history and astronomical data.