Mid-Autumn Festival the ascendance and culmination of the Buddha's visit to heaven and for the latter, the acknowledgement of the cultivation season known as "Maha". The Mid-Autumn Festival is held on the 15th day of the eighth month in the Han calendar—essentially the night of a full moon—which falls near the Autumnal Equinox (on a day between September 8 and October 7 in the Gregorian calendar). In 2018, it fell on September 24. It will occur on these days in coming years: Mid-Autumn Festival The Mid-Autumn Festival is a harvest festival celebrated notably by the Chinese and Vietnamese people. The festival is
March equinox about 18 hours 11 minutes "earlier" than the previous year. Balancing the increases of the common years against the losses of the leap years keeps the calendar date of the March equinox from drifting more than one day from 20 March each year. The March equinox may be taken to mark the beginning of spring and the end of winter in the Northern Hemisphere but marks the beginning of autumn and the end of summer in the Southern Hemisphere. In astronomy, the March equinox is the zero point of sidereal time and, consequently, right ascension. It also serves as a