Gloomy_Possession-69 t1_j3gnzk9 wrote
Reply to comment by Whiterabbit-- in Earliest evidence of the use of the Mesoamerican 260-day calendar, ‘centuries earlier than its previously known use in textual records,’ revealed by the orientations of newly-uncovered ruins along Mexico’s southern Gulf Coast by marketrent
Don't forget the human menstrual cycle is quite regular as well. Could have been around 26 days so it would cover two "glyphs" which seems to be like months.
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