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
Equinox Iranian calendars as Nowruz (means new day), while the autumnal equinox (September) marks the beginning of autumn. When Julius Caesar established the Julian calendar in 45 BC, he set 25 March as the date of the spring equinox; this was already the starting day of the year in the Persian and Indian calendars. Because the Julian year is longer than the tropical year by about 11.3 minutes on average (or 1 day in 128 years), the calendar "drifted" with respect to the two equinoxes — so that in AD 300 the spring equinox occurred on about 21 March, and by