The Mesoamerican Long Count calendar is a non-repeating, vigesimal and base-18 calendar used by several pre-Columbian Mesoamerican cultures, most notably the Maya. For this reason, it is often known as the Maya Long Count calendar. Using a modified vigesimal tally, the Long …
Detail showing columns of glyphs from a portion of the 2nd century CE La Mojarra Stela 1. The left column gives a Long Count date of 220.127.116.11.7, or 156 CE. The others columns visible are glyphs from the Epi-Olmec script.
The back of Stela C from Tres Zapotes, an Olmec archaeological site. This is the second oldest Long Count date yet discovered. The numerals 18.104.22.168.18 translate to September 1, 32 BCE (Gregorian). The glyphs surrounding the date are what is thought to be one of the few surviving examples of Epi-Olmec script.
Image: Abaj Takalik Stela 2
East side of stela C, Quirigua with the mythical creation date of 13 baktuns, 0 katuns, 0 tuns, 0 uinals, 0 kins, 4 Ahau 8 Cumku – August 11, 3114 BCE in the proleptic Gregorian calendar.