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May 2026

31 days · 20 working days · ISO weeks 18–22

Calendar grid for 5/2026, weeks starting Sun
ISO week	Sun	Mon	Tue	Wed	Thu	Fri	Sat
18	26	27	28	29	30	1Beltane	2
19	3	4	5Lag BaOmer	6	7	8	9
20	10Mother's Day	11	12	13	14Ascension Day	15	16
21	17	18	19	20	21	22Shavuot	23
22	24Pentecost	25Memorial Day	26Day of Arafah	27Eid al-Adha	28	29	30
23	31Orthodox Pentecost	1	2	3	4	5	6

Federal holidays

Fri, May 1 — Beltane
Tue, May 5 — Cinco de Mayo
Tue, May 5 — Lag BaOmer
Sun, May 10 — Mother's Day
Thu, May 14 — Ascension Day
Fri, May 22 — Shavuot
Sun, May 24 — Pentecost
Mon, May 25 — Memorial Day
Tue, May 26 — Day of Arafah
Wed, May 27 — Eid al-Adha
Sun, May 31 — Orthodox Pentecost

Moon phases

Fri, May 1 — Full Moon
Sat, May 9 — Last Quarter
Sat, May 16 — New Moon
Sat, May 23 — First Quarter
Sun, May 31 — Full Moon

datealmanac.com · Week numbers follow ISO 8601