May 2027 Calendar
| Wk | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 17 | 1 | 2 | |||||
| 18 | 3 | 4 | 5 | 6 | 7 | 8 | 9Mother's Day |
| 19 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 20 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 21 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 22 | 31Memorial Day |
US federal holidays
- Memorial DayMon, May 31, 2027
Other dates
- Mother's DaySun, May 9
May 2027 at a glance
31days
20working days (US)
17–22ISO weeks
10weekend days
Moon phases (approx.)
- New moonTue, May 4
- First quarterWed, May 12
- Full moonWed, May 19
- Last quarterWed, May 26
Previous and next month
April 2027
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June 2027
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Federal holidays follow the US Office of Personnel Management (OPM) list; dates are calculated, not estimated.