May 2028 Calendar
May 2028 with US holidays, observances and moon phases. Print it as a PDF in US Letter or A4.
In short
May 2028 starts on a Monday and has 31 days, 23 of them weekdays. Federal: Memorial Day (Mon, May 29). Also: Mother's Day (Sun, May 14). Full moon: Mon, May 8, 3:49 PM EDT.

| SundaySun | MondayMon | TuesdayTue | WednesdayWed | ThursdayThu | FridayFri | SaturdaySat |
|---|---|---|---|---|---|---|
| 1First Quarter 10:26 PM | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8Full Moon 3:49 PM | 9 | 10 | 11 | 12 | 13 |
| 14Mother's Day | 15 | 16Last Quarter 6:43 AM | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24New Moon 4:16 AM | 25 | 26 | 27 |
| 28 | 29Memorial Day | 30 | 31First Quarter 3:37 AM |
Holidays in May 2028
- 05/14SunMother's Day
- 05/29MonMemorial Dayfederal
Moon phases in May 2028
- 05/01MonFirst Quarter10:26 PM EDT
- 05/08MonFull Moon3:49 PM EDT
- 05/16TueLast Quarter6:43 AM EDT
- 05/24WedNew Moon4:16 AM EDT
- 05/31WedFirst Quarter3:37 AM EDT
Eastern Time. All moon phases
Questions
What day does May 2028 start on?
May 1, 2028 is a Monday; May 31, 2028 is a Wednesday.
What holidays are in May 2028?
Memorial Day (Mon, May 29); Mother's Day (Sun, May 14).
How many working days are in May 2028?
22 working days: 23 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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