How many days in January 2031?

31 days

January 2031 runs from Wednesday the 1st to Friday the 31th.

Calendar grid for 1/2031, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
1	29	30	31	1New Year's Day	2	3	4
2	5	6Epiphany	7Orthodox Christmas	8	9	10	11
3	12	13	14	15	16	17	18
4	19	20M.L. King Jr. Day	21Laylat al-Qadr	22	23	24Eid al-Fitr	25
5	26	27	28	29	30	31	1

About January 2031

January 2031 has 31 days, of which 23 are weekdays and 8 fall at the weekend. Taking out the 2 federal holidays leaves 21 working days.