Knowra December December December is the twelfth and final month of the Gregorian calendar, with 31 days. In the Northern Hemisphere, it includes the winter solstice; in the Southern Hemisphere, the summer solstice.
Gregorian calendar : The calendar introduced by Pope Gregory XIII in 1582, now used as the civil calendar in most countries. It defines December as the year’s twelfth month and fixes its 31-day length.
Roman calendar : The calendar system used in ancient Rome, which underwent several reforms before the Julian calendar. December inherited its name and position from the Roman calendar.
Christmas : A Christian festival commemorating the birth of Jesus, observed on December 25 in many traditions. Its widely observed date makes Christmas a defining December holiday in many countries.
December solstice : The solstice occurring each year in December, when the Sun reaches its southernmost apparent position. It marks opposite seasonal turning points in the two hemispheres during December.
Month : A calendar unit, usually lasting between 28 and 31 days, used to divide a year. December is one of the twelve months in the Gregorian year.
Latin : An ancient Italic language that became the language of Rome and influenced many modern languages. December’s name derives from the Latin word for ten.
Hanukkah : An eight-day Jewish festival commemorating the rededication of the Second Temple in Jerusalem. Hanukkah often overlaps December, though its dates shift in the Gregorian calendar.
Meteorological winter : The three-month winter season defined by calendar months rather than astronomical events. In the Northern Hemisphere, meteorological winter begins on December 1.
Thirty-one-day month : A calendar month assigned 31 days in the Gregorian calendar. December shares this length with six other Gregorian months.
Roman numerals : A numeral system from ancient Rome that uses letters such as I, V, X, L, and C. The Latin root of December is related to decem, meaning ten.
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