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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]
The winter solstice is the shortest day of the year, marking the period with the fewest hours of daylight. It also represents the longest night of the year, and the time when the sun is at its ...
The lengths of time when the sun is up are longer around the summer solstice and shorter around the winter solstice, except near the equator. When the Sun's path crosses the equator, the length of the nights at latitudes +L° and −L° are of equal length. This is known as an equinox. There are two solstices and two equinoxes in a tropical year.
The 2024 winter solstice, the shortest day of the year, happens on Saturday, Dec. 21, in the Northern Hemisphere. ... a monumental circle of massive stones in England that dates back about 5,000 ...
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
The date of the winter solstice can fall at any point between Dec. 20 and 23, depending on the year, but the 21st and 22nd are the most common. In 2023, the solstice fell on the same date but a ...
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]