December 2027 starts on a Wednesday and ends on a Friday. It has 31 days, 23 weekdays and 21 working days after US federal holidays, across ISO weeks 48–52.
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.
St. Nicholas Day (Monday, Dec 6); Winter (Tuesday, Dec 21); Christmas Eve (Friday, Dec 24); Hanukkah (Friday, Dec 24); Christmas (Saturday, Dec 25); Boxing Day (Sunday, Dec 26); Kwanzaa (Sunday, Dec 26); New Year's Eve (Friday, Dec 31). Observed: Christmas on Friday, Dec 24; New Year's Day on Friday, Dec 31.
How many working days are in December 2027?
December 2027 has 23 weekdays (Monday to Friday). Taking out the US federal holidays observed on weekdays leaves 21 working days. Company and state holidays can lower that further.
What day of the week does December 2027 start on?
December 2027 starts on Wednesday, December 1, 2027 and ends on Friday, December 31, 2027.
Which week numbers are in December 2027?
December 2027 runs from ISO week 48 to week 52. ISO weeks start on Monday, and week 1 is the week with the year's first Thursday.
