+The Baktun is a significant unit of time within the ancient [Maya Calendar](/wiki/maya_calendar), representing a grand cycle of 144,000 days. It forms the largest period in the [Long Count](/wiki/long_count) system, marking vast epochs and the completion of historical eras.
+## See also
+- [Maya Calendar](/wiki/maya_calendar)
+- [Long Count](/wiki/long_count)
+- [Katun](/wiki/katun)
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