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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 ...
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 ...
The dates of the solstice varies each year and may occur a day earlier or later depending on the time zone. Because the earth's orbit takes slightly longer than a calendar year of 365 days, the solstices occur slightly later each calendar year, until a leap day re-aligns the calendar with the orbit.
The sun will set earlier each day into December, culminating in the shortest day of the year, or the winter solstice. The winter solstice marks the first day of winter, ushering in the colder ...
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 solstice usually – but not always – takes place on December 21. The date that the solstice occurs can move forward or back by a day because the solar year (the time it takes for the sun to ...
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 seconds to 50 minutes in excess of 365 days 5 hours.
This means the hemispheres are getting very different amounts of sunlight — and days and nights are at their most unequal. During the Northern Hemisphere’s winter solstice, the upper half of the Earth is tilted away from the sun, creating the shortest day and longest night of the year. The winter solstice falls between December 20 and 23..