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Summer is one of the four temperate seasons. Astronomically, it begins with the summer solstice (around 21 June in the Northern hemisphere, and 21 December in the Southern hemisphere) and ends with the autumn equinox (around 21 September in the Northern hemisphere and 21 March in the Southern hemisphere). An exception to this is in the Irish Calendar which still follows the Celtic cycle, where it is counted as the whole months of May, June and July. However, sometimes it is counted instead as the whole months of December, JanuaryJanuary is the first month of the year in the Gregorian Calendar, and has 31 days. It is named for Janus, the Roman god of doors and gateways. The original Roman calendar consisted of 10 months (304 days). The Romans originally considered winter a monthle and FebruaryFebruary is the second month of the year in the Gregorian Calendar, with 28 days in regular years. In leap years February has 29 days. Three times in history a February 30 did occur. February was named for the Roman god Februus, the god of purification. in the Southern hemisphere and June, July and AugustSee August (album) for the album by Eric Clapton. August is the eighth month of the year in the Gregorian Calendar, with 31 days. Named in honor of Augustus Caesar. The month reputedly has 31 days because Augustus wanted as many days as Julius Caesar's Ju in the Northern hemisphere. See also
- axial tiltAxial tilt is an astronomical term regarding the inclination angle of a planet's rotation axis in relation to its orbital plane. It is also called obliquity . A planet whose rotation axis were perpendicular to the orbital plane would have an axial tilt of
- autumnWestonbirt Arboretum, Gloucestershire, England. Autumn (also called fall in American English; in England that usage was once standard, but has now become archaic) is one of the four temperate seasons, the transition between summer and winter. In the tempe
- springSpring is one of the four seasons of temperate zones. Astronomically, it begins with the spring equinox (around March 21 in the Northern Hemisphere, and September 23 in the Southern Hemisphere), and ends with the summer solstice (around June 21 in the Nor
- winterThis article is about the winter season. For other uses of the term, see winter (disambiguation). Winter is one of the four seasons of temperate zones. Astronomically, it begins with the winter solstice (around December 21 in the Northern hemisphere and J
Seasons
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