If you thought 365 days was a long time, try resetting your calendar every 18,980 days instead. 52 solar years make up the longest cycle of the Mayan calendar – a complex and ancient system that’s ...

Introduction. Popol Vuh, a Maya creation myth ; Time and preclassic Mesoamerica ; Chiefdoms and cycles ; The early Maya and the Isthmian region -- In the beginning : early Mesoamerican prehistory.