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Based on the astronomical definition, winter begins at the winter solstice, which in 2010 occurred late on December 21 (early on December 22 in EST), and ends at the March equinox, which in 2011 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 2009 occurred on December 21, and ends at the March equinox, which in 2010 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]
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.
Winter solstice, the shortest day of the year and the official first day of winter, is on Saturday, December 21, this year (well, for the vast bulk of the world’s population anyway).
The first day of winter is the winter solstice, which has the fewest hours of daylight in the entire year. But the winter solstice isn't actually an entire day-long event ...
2010–11; 2011–12; 2012–13; ... Based on the meteorological definition, the first day of winter is December 1 and the last day February 29. [4]
A frigid arctic airmass is forecast to bring freezing temperatures to the Eastern United States this weekend, coinciding with the first day of winter (and the shortest day of the year).. Wind ...
The day on which this occurs has the shortest day and the longest night, with day length increasing and night length decreasing as the season progresses after the solstice. The earliest sunset and latest sunrise dates outside the polar regions differ from the date of the winter solstice and depend on latitude.