365-day calendar 365-day calendar A 365-day calendar consists of exactly 365 days per year (no leap days), and is primarily used in computer models and as an assumption in every-day calculations. For example, a calculation of a daily rate may use an annual total divided by exactly 365. Interest rates in some banks are calculated using a 365-day calendar. Some Mesoamerican calendars used a 365-day year with no leap year, resulting in a gradual shift of the seasons relative to the calendar. This includes the Maya Haab' and the Aztec Xiuhpohualli calendars. Some versions of the Zoroastrian calendar also use a fixed
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