How many days in May 2029?

31 days

May 2029 runs from Tuesday the 1st to Thursday the 31th.

Calendar grid for 5/2029, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
18	29	30	1Beltane	2	3Lag BaOmer	4	5Cinco de Mayo
19	6	7	8	9	10Ascension Day	11	12
20	13Mother's Day	14Islamic New Year	15	16	17	18	19
21	20Shavuot	21	22	23Ashura	24	25	26
22	27Orthodox Pentecost	28Memorial Day	29	30	31	1	2

About May 2029

May 2029 has 31 days, of which 23 are weekdays and 8 fall at the weekend. Taking out the 1 federal holiday leaves 22 working days.