Mesoamerican calendars was of ritual significance to a number of Mesoamerican cultures. A third major calendar form known as the Long Count is found in the inscriptions of several Mesoamerican cultures, most famously those of the Maya civilization who developed it to its fullest extent during the Classic period (ca. 200–900 CE). The Long Count provided the ability to uniquely identify days over a much longer period of time, by combining a sequence of day-counts or cycles of increasing length, calculated or set from a particular date in the mythical past. Most commonly, five such higher-order cycles in a modified vigesimal (base-20)
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