• Time Zone: GMT+00:00
• Time Zone ID: Europe/London
• Day numbers: 355
• Week number: 51
• Leap year: 2025 is not a leap year
• Daylight Saving Time: No
Sunrise, Sunset Times for Dec 21st 2025
• Sunrise time: 08:04 am
• Sunset time: 03:54 pm
• Day length: 07h 49m
• Source: suntoday.org
Moon Phase for Dec 21st 2025
• Moon Phase: Waxing Crescent
• Illumination: 2%
• Moon Age: 1.56 day(s)
• Source: mooninfo.org
Holidays and National Days for December 21st 2025
December 21 in History
1620
The Pilgrims land at or near Plymouth Rock.
1708
French forces seize control of the eastern shore of Newfoundland after winning a victory at St. John’s.
1790
Samuel Slater opens the first cotton mill in the United States (in Rhode Island).
1862
The U.S. Congress authorizes the Medal of Honor to be awarded to Navy personnel who have distinguished themselves by their gallantry in action.
1866
Indians, led by Red Cloud and Crazy Horse, kill Captain William J. Fetterman and 79 other men who had ventured out from Fort Phil Kearny to cut wood.
→ See more: December 21 in History
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