December 2026 starts on a Tuesday and ends on a Thursday. It has 31 days, 23 weekdays and 22 working days after US federal holidays, across ISO weeks 49–53.
Holiday dates follow each holiday's official rule (federal holidays under 5 U.S.C. 6103, with weekend dates observed on the nearest weekday). See our sources.
Hanukkah (Friday, Dec 4); St. Nicholas Day (Sunday, Dec 6); Winter (Monday, Dec 21); Christmas Eve (Thursday, Dec 24); Christmas (Friday, Dec 25); Boxing Day (Saturday, Dec 26); Kwanzaa (Saturday, Dec 26); New Year's Eve (Thursday, Dec 31).
How many working days are in December 2026?
December 2026 has 23 weekdays (Monday to Friday). Taking out the US federal holidays observed on weekdays leaves 22 working days. Company and state holidays can lower that further.
What day of the week does December 2026 start on?
December 2026 starts on Tuesday, December 1, 2026 and ends on Thursday, December 31, 2026.
Which week numbers are in December 2026?
December 2026 runs from ISO week 49 to week 53. ISO weeks start on Monday, and week 1 is the week with the year's first Thursday.
