May 2026 at a glance
May 2026 has 31 days. It starts on a Friday and ends on a Sunday, with 21 weekdays and 10 weekend days (5 Saturdays and 5 Sundays). It covers ISO weeks 18 to 22, and days 121 to 151 of the year.
Week by week
Week 18 runs from Mon, Apr 27 to Sun, May 3; week 19 from Mon, May 4 to Sun, May 10; week 20 from Mon, May 11 to Sun, May 17; week 21 from Mon, May 18 to Sun, May 24; week 22 from Mon, May 25 to Sun, May 31. By the end of May, 151 days of 2026 have gone by (41%) and 214 remain. May is part of the second quarter (Q2), which has 63 working days in all.
Holidays in May 2026
- Monday, May 25: Memorial Day
Counting Monday to Friday, May 2026 has 20 working days: 21 weekdays minus 1 federal holiday on a weekday. It brings a long weekend thanks to Memorial Day (Monday, May 25).
Other dates to know: Mother’s Day (Sunday, May 10).
Moon, seasons and clocks
Moon phases in Eastern Time: full moon on Friday, May 1 at 1:23 PM, last quarter on Saturday, May 9 at 5:11 PM, new moon on Saturday, May 16 at 4:01 PM, first quarter on Saturday, May 23 at 7:11 AM and full moon on Sunday, May 31 at 4:45 AM. The full moon of May 1 is traditionally called the Flower Moon. With two full moons, May 2026 has a blue moon on May 31.
| Key date | Day |
|---|---|
| Full moon (Flower Moon) | Fri, May 1 |
| Last quarter | Sat, May 9 |
| Mother’s Day | Sun, May 10 |
| New moon | Sat, May 16 |
| First quarter | Sat, May 23 |
| Memorial Day (federal holiday) | Mon, May 25 |
| Full moon (Flower Moon) | Sun, May 31 |
About May
May is named after Maia, a Roman goddess of growth. It holds Mother’s Day on the second Sunday and closes with Memorial Day on the last Monday, the unofficial start of summer in the US and the first long weekend of the season.
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