How many days in January 2030?

31 days

January 2030 runs from Tuesday the 1st to Thursday the 31th.

Calendar grid for 1/2030, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
1	30	31	1New Year's Day	2	3	4	5Ramadan
2	6Epiphany	7Orthodox Christmas	8	9	10	11	12
3	13	14	15	16	17	18	19Tu BiShvat
4	20	21M.L. King Jr. Day	22	23	24	25	26
5	27	28	29	30	31Laylat al-Qadr	1	2

About January 2030

January 2030 has 31 days, of which 23 are weekdays and 8 fall at the weekend. Taking out the 2 federal holidays leaves 21 working days.