Mid-Autumn Festival celebrate the harvest. Chuseok (추석; 秋夕; [tɕʰu.sʌk̚]), literally "Autumn eve", once known as hangawi (한가위; [han.ɡa.ɥi]; from archaic Korean for "the great middle (of autumn)"), is a major harvest festival and a three-day holiday in North Korea and South Korea celebrated on the 15th day of the 8th month of the lunar calendar on the full moon. As a celebration of the good harvest, Koreans visit their ancestral hometowns and share a feast of Korean traditional food such as songpyeon (송편) and rice wines such as sindoju and dongdongju. Many festivals revolving around a full moon are also celebrated in
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