22 December 2020

• 357th day of the year. There were then 9 days left in 2020.
• 51st Tuesday of 2020.
• on the 52nd week of 2020 (using ISO standard week number calculation).
• 2nd day of Winter. There were 88 days left till Spring.
• Birthstone for this day: Turquoise & Blue Topaz

There are no major holidays or observances in the EU for this date.

• National Mathematics Day - India