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Check out the 2025 calendar dates for holidays, big games, movie releases, award shows and more. ... (preliminary date from NASA) More 2025 dates to know - Daylight Saving Time starts - Sunday ...
In the ancient Roman calendar, December 25 was the date of the winter solstice. [19] [20] Marcus Terentius Varro wrote in the first century BC that this was regarded as the middle of winter. [21] In the same century, Ovid wrote in the Fasti that the winter solstice is the first day of the "new Sun". [22]
While there is no well-agreed-upon date used to indicate the start of winter in the Northern Hemisphere, there are two definitions of winter which may be used. Based on the astronomical definition, winter begins at the winter solstice, which in 2024 occurred on December 21, and ends at the March equinox, which in 2025 will occur on March 20. [1]
The traditional Chinese calendar divides a year into 24 solar terms. [1] Dōngzhì, Tōji, Dongji, Tunji (in Okinawan), or Đông chí (in Vietnamese) is the 22nd solar term, and marks the winter solstice. The term begins when the Sun reaches the celestial longitude of 270° and ends when it reaches the longitude of 285° [disputed – discuss].
The days are short and the nights are long. That can only mean one thing: The winter solstice is coming. The first day of winter for the northern hemisphere of Earth will begin on Dec. 21 at ...
In the Northern Hemisphere, the winter solstice will occur on Saturday, Dec. 21 at 4:21 a.m. EST. Where did the name winter come from? How the season got its name.
The December-solstice solar year is the solar year based on the December solstice. It is thus the length of time between adjacent December solstices. The length of the December-solstice year has been relatively stable between 6000 BC and AD 2000, in the range of 49 minutes 30 sec
Astronomical winter always starts on the solstice, which falls between Dec. 20 and Dec. 22. These dates vary from year to year due to leap years and the elliptical shape of Earth's orbit around ...