What Day: December 20
Find the day of the week for any date of the year.
December 20 this year (2026) falls on a Sunday. It's day 354 of the year, with 11 days left afterward, sits in Q4 (Winter), and falls under the zodiac sign Sagittarius in Western astrology. Because of how leap years shift the calendar, a date's day-of-week doesn't repeat on a fixed yearly schedule. December 20 will next fall on a Sunday again in 2037. Within December, this is day 20 of 31, roughly 65% through the month. Overall, that's roughly 97% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
December 20, 2016 fell on a Tuesday, a useful reference point if you're comparing how a recurring event has shifted across the week over the years.
Half a Year Away
Roughly six months from December 20 is June 20, which falls in summer and lands on a Saturday this year.
Nearby Dates
Check the day of the week for the date just before or after December 20 using the links below.