May 2027 Calendar
May 2027 with US holidays, observances and moon phases. Print it as a PDF in US Letter or A4.
In short
May 2027 starts on a Saturday and has 31 days, 21 of them weekdays. Federal: Memorial Day (Mon, May 31). Also: Mother's Day (Sun, May 9). Full moon: Thu, May 20, 6:59 AM EDT.

| SundaySun | MondayMon | TuesdayTue | WednesdayWed | ThursdayThu | FridayFri | SaturdaySat |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6New Moon 6:59 AM | 7 | 8 |
| 9Mother's Day | 10 | 11 | 12 | 13First Quarter 12:44 AM | 14 | 15 |
| 16 | 17 | 18 | 19 | 20Full Moon 6:59 AM | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28Last Quarter 9:58 AM | 29 |
| 30 | 31Memorial Day |
Holidays in May 2027
- 05/09SunMother's Day
- 05/31MonMemorial Dayfederal
Moon phases in May 2027
- 05/06ThuNew Moon6:59 AM EDT
- 05/13ThuFirst Quarter12:44 AM EDT
- 05/20ThuFull Moon6:59 AM EDT
- 05/28FriLast Quarter9:58 AM EDT
Eastern Time. All moon phases
Questions
What day does May 2027 start on?
May 1, 2027 is a Saturday; May 31, 2027 is a Monday.
What holidays are in May 2027?
Memorial Day (Mon, May 31); Mother's Day (Sun, May 9).
How many working days are in May 2027?
20 working days: 21 weekdays minus 1 federal day off.
Source: U.S. Office of Personnel Management: Federal Holidays, U.S. Naval Observatory: Astronomical Applications · Updated: November 2026 · How the calendars are made
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