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The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere (Northern and Southern).
Astronomical winter begins at the winter solstice, which is the shortest day of the year. This means days get longer during winter—very slowly at first, but at ever-larger daily intervals as the March equinox approaches, heralding the start of spring.
Sep 21, 2017 · The winter solstice is the shortest day and longest night of the year. In 2023, in the Northern Hemisphere, it takes place on December 21.
Jan 17, 2024 · The Winter Solstice, or the December Solstice, is the point at which the path of the sun in the sky is farthest south. At the Winter Solstice, the sun travels the...
Jul 30, 2024 · winter solstice, the two moments during the year when the path of the Sun in the sky is farthest south in the Northern Hemisphere (December 21 or 22) and farthest north in the Southern Hemisphere (June 20 or 21).
5 days ago · When is the winter solstice? In 2024, the first day of winter is Saturday, December 21. So, what is the winter solstice and why does it happen? Learn all about the shortest day of the year—and tell us what winter means to you!
Dec 20, 2022 · The winter solstice heralds the astronomical start of winter and marks the day with the fewest hours of daylight for the year. But what's the science behind the shortest day and longest night?