Autumn

Autumn, also known as Fall in North American English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daytime becomes noticeably shorter and the temperature cools considerably. Day length decreases and night length increases as the season progresses until the winter solstice in December (Northern Hemisphere) and June (Southern Hemisphere). One of its main features in temperate climates is the striking chang

period of unseasonably warm, dry weather that sometimes occurs in autumn in temperate regions of the northern hemisphere

In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit. The antonym of deciduous in the botanical sense is evergreen.

deciduous trees' and shrubs' autumnal change of leaf color from green to other colors

Songpyeon () is a traditional Korean food made of rice powder. Its shape resembles a half moon and it is a representative rice cake of Korean holidays and traditional culture. It is a type of tteok, small rice cakes, and variety of fillings are used—some include red bean paste, toasted sesame seeds, and chestnuts. Songpyeon is traditionally eaten during the Korean autumn harvest festival, Chuseok, where it is often prepared by families at home. It is a popular symbol of traditional Korean culture. The earliest records of songpyeon date from the Goryeo period.

fifteenth solar term of traditional East Asian calendars

The traditional Chinese calendar divides a year into 24 solar terms. Lìqiū, Risshū, Ipchu, or Lập thu () is the 13th solar term. It begins when the Sun reaches the celestial longitude of 135° and ends when it reaches the longitude of 150°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 135°. In the Gregorian calendar, it usually begins around August 7 and ends around August 23.

The traditional Chinese lunisolar calendar divides a year into 24 solar terms. Qiūfēn, Shūbun, Chubun, or Thu phân is the 16th solar term. It begins when the Sun reaches the celestial longitude of 180° and ends when it reaches the longitude of 195°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 180°. In the Gregorian calendar, it usually begins around September 23 and ends around October 8.

The traditional Chinese calendar divides a year into 24 solar terms. Chǔshǔ, Shosho, Cheoseo, or Xử thử () is the 14th solar term that signifies the end of the hot summer season. It begins when the Sun reaches the celestial longitude of 150° and ends when it reaches the longitude of 165°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 150°. In the Gregorian calendar, it usually begins around 23 August and ends around 7 September.

eighteenth solar term of traditional East Asian calendars

The traditional Chinese calendar divides a year into 24 solar terms (節氣). Hánlù, Kanro, Hallo, or Hàn lộ () is the 17th solar term. It begins when the Sun reaches the celestial longitude of 195° and ends when it reaches the longitude of 210°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 195°. In the Gregorian calendar, it usually begins around October 8 and ends around October 23.

thumb|"Queen of the May" East Texas State Normal College in 1921, a predecessor of the modern homecoming queen Homecoming is the tradition of welcoming back alumni or other former members of an organization to celebrate the organization's existence. It is a tradition in many high schools, colleges, and churches in the United States and Canada.

informal term for viewing autumn color change in foliage