How many days in May 2027?

31 days

May 2027 runs from Saturday the 1st to Monday the 31th.

Calendar grid for 5/2027, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
17	25	26	27	28	29	30	1Beltane
18	2Orthodox Easter	3	4	5Cinco de Mayo	6Ascension Day	7	8
19	9Mother's Day	10	11	12	13	14	15Day of Arafah
20	16Eid al-Adha	17	18	19	20	21	22
21	23	24	25Lag BaOmer	26	27	28	29
22	30	31Memorial Day	1	2	3	4	5

About May 2027

May 2027 has 31 days, of which 21 are weekdays and 10 fall at the weekend. Taking out the 1 federal holiday leaves 20 working days.