Mesoamerican Long Count calendar number (portion of the DN preceding era date) 7.2.14.19<br> Add Ring number to the ring number date to reach 13.0.0.0.0 Thompson contains a table of typical long reckonings after Satterwaite. The "Serpent Numbers" in the Dresden codex pp. 61–69 is a table of dates using a base date of 1.18.1.8.0.16 in the prior era (5,482,096 days). Mesoamerican Long Count calendar The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) 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 (or Mayan) Long Count calendar. Using a
Igbo calendar planting season when the king, the "Eze Nri" in the Nri area, tells the Igbo to go and sow their seed after the next rainfall, and the Harvest festival (') in the eighth month. The Nri-Igbo yearly counting festival known as "" marked 10 March 2012 as the beginning of the 1013th year of the Nri calendar. The festival was delayed due to other events. Imöka is celebrated on the 20th day of the second month. Igbo calendar The Igbo calendar () is the traditional calendar system of the Igbo people from present-day Nigeria. The calendar has 13 months in