Monday, December 20, 2027 is a Monday. It is day 354 of 2027 (97% through the year), ISO week 51, in Q4.
Calendar Specifications
Monday, December 20, 2027 combines practical calendar facts with a wider view of the day: 2007: Pablo Picasso's Portrait of Suzanne Bloch was stolen from the São Paulo Museum of Art before being recovered about three weeks later.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to December 20.
Share December 20 as a quick date, history, and timezone reference.
Historical Milestones
Pablo Picasso's Portrait of Suzanne Bloch was stolen from the São Paulo Museum of Art before being recovered about three weeks later.
Pablo Picasso →Portugal transferred the sovereignty over Macau, which it had administered since the mid–16th century, to China.
Handover of Macau →Mandated by the Dayton Agreement that ended the Bosnian War, the NATO-led Implementation Force (troops pictured) began peacekeeping operations in Bosnia and Herzegovina.
Dayton Agreement →American Airlines Flight 965 crashed into a mountain in Buga, Colombia, killing 159 of the 163 people on board.
American Airlines Flight 965 →The deadliest peacetime maritime disaster in history occurred when the MV Doña Paz (pictured) sank after colliding with an oil tanker in the Tablas Strait in the Philippines, resulting in an estimated 4,385 deaths.
List of maritime disasters →Twelve-year-old Jonelle Matthews disappeared from her home in Greeley, Colorado; her body was not discovered until 2019.
Murder of Jonelle Matthews →NBC aired the American football match between the New York Jets and the Miami Dolphins without announcers.
NBC →Experimental Breeder Reactor I near Arco, Idaho, U.S., became the world's first electricity-generating nuclear power plant when it became able to illuminate four 200-watt light bulbs.
Experimental Breeder Reactor I →The superhero Captain America made his first published appearance in the comic book Captain America Comics #1.
Captain America →Led by George Cathcart, British troops defeated Basuto and Taung forces at the Battle of Berea in present-day Lesotho, leading to an offer of peace from King Moshoeshoe I.
George Cathcart →Attempting to form an alliance with the Mongol Empire, Louis IX of France met with two of their envoys while en route to the Seventh Crusade.
Franco-Mongol alliance →Six people are killed and over 200 are injured when an anti-Islam activist drives a car into a crowd at a Christmas market in Magdeburg, Germany.
2024 Magdeburg car attack →Calculate business days and elapsed calendar time between this date and any other.
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Questions & Answers
Monday, December 20, 2027 falls on a Monday.
in 464 days (in 1 year, 3 months, 8 days). It is day 354 of 2027 with 11 days remaining in the year.
In Roman numerals, Monday, December 20, 2027 is written as XX.XII.MMXXVII (Day.Month.Year format).
The moon phase for this date is Last Quarter (approx. 55% illuminated). The astrological sun sign is Sagittarius.