May 2028 Calendar
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
May 2028 starts on Monday, May 1, and ends on Wednesday, May 31. It has 31 days, 23 weekdays and 22 US working days. US federal holidays: Memorial Day (Mon, May 29).
- Starts
- Monday
- Days
- 31
- US working days
- 22
- Full moon
- May 8
- Birthstone
- Emerald
- Zodiac
- Taurus, Gemini
May 2028
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 1First Quarter | 2 | 3 | 4 | 5Cinco de Mayo | 6 | |
| 7 | 8Full Moon | 9 | 10 | 11 | 12 | 13 |
| 14Mother's Day | 15 | 16Last Quarter | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24New Moon | 25 | 26 | 27 |
| 28 | 29Memorial Day | 30 | 31First Quarter |
- May 1Early May bank holiday (UK)
- May 1◐ First Quarter, 10:26 p.m. EDT
- May 5Cinco de Mayo
- May 8○ Full Moon, 3:49 p.m. EDT
- May 14Mother's Day (US)
- May 16◑ Last Quarter, 6:43 a.m. EDT
- May 24● New Moon, 4:16 a.m. EDT
- May 29Memorial Day
- May 29Spring bank holiday (UK)
- May 31◐ First Quarter, 3:37 a.m. EDT
May 2028 holidays and observances
| Date | Day | Holiday or observance | Notes |
|---|---|---|---|
| May 1 | Mon | Early May bank holiday (UK) | UK |
| May 5 | Fri | Cinco de Mayo | Observance |
| May 14 | Sun | Mother's Day (US) | Observance |
| May 29 | Mon | Memorial Day | Federal holiday |
| May 29 | Mon | Spring bank holiday (UK) | UK |
Dates follow federal rules (a holiday on Saturday is observed Friday, on Sunday the following Monday). UK bank holidays follow standard rules; one-off extra holidays are announced by the government.
Moon phases
| Phase | Date (Eastern) | Time (ET) | Time (UTC) |
|---|---|---|---|
| ◐ First Quarter | Monday, May 1 | 10:26 p.m. EDT | May 02, 02:26 UTC |
| ○ Full Moon | Monday, May 8 | 3:49 p.m. EDT | May 08, 19:49 UTC |
| ◑ Last Quarter | Tuesday, May 16 | 6:43 a.m. EDT | May 16, 10:43 UTC |
| ● New Moon | Wednesday, May 24 | 4:16 a.m. EDT | May 24, 08:16 UTC |
| ◐ First Quarter | Wednesday, May 31 | 3:37 a.m. EDT | May 31, 07:37 UTC |
Calculated with standard astronomical algorithms; Eastern Time.
Working days
May 2028 has 22 working days in the US: 23 weekdays minus 1 federal holiday on a weekday. Monday, Tuesday and Wednesday occur five times.
| Weekday | Count |
|---|---|
| Sunday | 4 |
| Monday | 5 |
| Tuesday | 5 |
| Wednesday | 5 |
| Thursday | 4 |
| Friday | 4 |
| Saturday | 4 |
Week numbers
| ISO week | Dates |
|---|---|
| Week 18 | May 1 – 7 |
| Week 19 | May 8 – 14 |
| Week 20 | May 15 – 21 |
| Week 21 | May 22 – 28 |
| Week 22 | May 29 – 31 |
Printable May 2028 calendar
Free for personal, classroom and office use. See all printable calendars.
Frequently asked questions
How many days are in May 2028?
May 2028 has 31 days. It starts on a Monday and ends on a Wednesday.
How many working days are in May 2028?
May 2028 has 22 US working days (23 weekdays minus federal holidays).
What federal holidays are in May 2028?
Memorial Day (Mon, May 29).
When is the full moon in May 2028?
The full moon is on Monday, May 8, 2028 at 3:49 p.m. EDT.
What is the May birthstone and zodiac sign?
The May birthstone is emerald. People born May 1–20 are Taurus; those born May 21–31 are Gemini.