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Based on the astronomical definition, winter began at the winter solstice, which in 2017 occurred on December 21, and ends at the March equinox, which in 2018 occurred on March 20. [1] Based on the meteorological definition, the first day of winter is December 1 and the last day February 28. [2]
Based on the astronomical definition, winter begins at the winter solstice, which in 2016 occurred on December 21, and ends at the March equinox, which in 2017 occurred on March 20. [4] Based on the meteorological definition, the first day of winter is December 1 and the last day February 28. [5]
Illumination of Earth by the Sun on the day of the December solstice. The December solstice, also known as the southern solstice, is the solstice that occurs each December – typically on 21 December, but may vary by one day in either direction according to the Gregorian calendar.
These three images from NOAA's GOES East (GOES-16) satellite show us what Earth looks like from space near the winter solstice. The images were captured about 24 hours before the 2018 winter solstice.
When is the first day of winter 2024? In the Northern Hemisphere, the winter solstice will occur on Saturday, Dec. 21 at 4:21 a.m. EST. What happens on the winter solstice?
The winter solstice marks the first day of winter, ushering in the colder weather and holiday season. But daylight saving isn't to blame; the Earth's tilt is. When is the winter solstice 2024?
Other names are the "extreme of winter", or the "shortest day". Since prehistory, the winter solstice has been a significant time of year in many cultures and has been marked by festivals and rites. [8] This is because it is the point when the shortening of daylight hours is reversed and the daytime begins to lengthen again.
Even though the "meteorological winter" in the Northern Hemisphere runs from the first of December until the last day of February, the actual moment of the winter solstice this year will be at 10: ...