How many days in December 2027?

31 days

December 2027 runs from Wednesday the 1st to Friday the 31th.

Calendar grid for 12/2027, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
48	28	29	30	1	2	3	4
49	5	6	7	8	9	10	11
50	12	13	14	15	16	17	18
51	19	20	21Yule	22	23	24Christmas Eve	25Isra and Mi'raj
52	26	27	28	29	30	31New Year's Eve	1

About December 2027

December 2027 has 31 days, of which 23 are weekdays and 8 fall at the weekend. Taking out the 1 federal holiday leaves 22 working days.