May 2031 Calendar
May 2031 has 31 days, from Thursday, May 1 to Saturday, May 31. It has 21 working days and one federal holiday: Memorial Day (Monday, May 26). An annular solar eclipse occurs on Wednesday, May 21.
Updated · By the YearlyCalendar.org team
- Federal holiday / day off
- Observance
- Weekend
US federal holidays shaded · Wk = ISO week number
| Wk | SundaySun | MondayMon | TuesdayTue | WednesdayWed | ThursdayThu | FridayFri | SaturdaySat |
|---|---|---|---|---|---|---|---|
| 18 | 1 | 2 | 3 | ||||
| 19 | 4 | 5Cinco de Mayo | 6 | 7 | 8 | 9 | 10 |
| 20 | 11Mother's Day | 12 | 13 | 14 | 15 | 16 | 17 |
| 21 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 22 | 25 | 26Memorial Day | 27 | 28Shavuot | 29 | 30 | 31 |
Holidays and observances in May 2031
| Holiday | Date | Day | Type |
|---|---|---|---|
| Cinco de Mayo | Monday | Observance | |
| Mother's Day | Sunday | Observance | |
| Memorial Day | Monday | Federal | |
| Shavuot Begins at sundown the evening before. | Wednesday | Religious |
May 2031 at a glance
Key dates in May 2031
Times are Eastern Time (EST/EDT).
| Date | Event | Details |
|---|---|---|
| Penumbral lunar eclipse | Greatest eclipse Tuesday, May 6, 11:51 PM EDT. Visible from: Americas, Europe, Africa | |
| Annular solar eclipse | Greatest eclipse Wednesday, May 21, 3:15 AM EDT. Visible from: Africa, southern Asia, East Indies, Australia; annular in Angola, Congo, Zambia, Tanzania, southern India, Malaysia and Indonesia |
Moon phases in May 2031
Times are Eastern Time (EST/EDT). All 2031 moon phases.
| Phase | Date | Time (ET) |
|---|---|---|
| Full Moon (Flower Moon) | 11:40 PM EDT | |
| Last Quarter | 3:07 PM EDT | |
| New Moon | 3:17 AM EDT | |
| First Quarter | 7:20 AM EDT |
April 2031 and June 2031
About May
Named after Maia, a Greek and Roman goddess of growth. Birthstone: Emerald. Birth flower: Lily of the valley. Zodiac: Taurus / Gemini. All 12 months.
Frequently asked questions
What are the first and last business days of May 2031?
The first business day is Thursday, May 1 and the last is Friday, May 30, counting Monday–Friday and skipping US federal holidays.
How many working hours are in May 2031?
May 2031 has 168 working hours at 8 hours per working day, or 176 hours for someone who works through the federal holidays.
Are there any three-day weekends in May 2031?
Yes. Federal workers get one three-day weekend: May 24–26 (Memorial Day).
How many weekends are in May 2031?
May 2031 has four full Saturday–Sunday weekends plus a lone Saturday on the 31st. Thursdays, Fridays and Saturdays occur five times and every other weekday four times.