21dec
December 21 is the 355th day of the year (356th in leap years) in the Gregorian calendar. 10 days remain until the end of the year.
In the Northern Hemisphere, December 21 is usually the shortest day of the year and is sometimes regarded as the first day of winter. In the Southern Hemisphere, December 21 is usually the longest day of the year and occurs during the southern summer.
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In the Northern Hemisphere, December 21 is usually the shortest day of the year and is sometimes regarded as the first day of winter. In the Southern Hemisphere, December 21 is usually the longest day of the year and occurs during the southern summer.
View More On Wikipedia.org