May 2021 Calendar
May 2021 has 31 days, starting on a Saturday and ending on a Monday. It spans ISO weeks 17–22, with 21 weekdays and 10 weekend days — and 13 public holidays across the 12 countries listed below.
May 2021 month grid
May 2021
| W | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 17 | 26 | 27 | 28 | 29 | 30 | 1 Labour Day · Workers' Day | 2 |
| 18 | 3 Early May bank holiday · May Day · Constitution Day · Last Quarter 19:50 UTC | 4 Greenery Day | 5 Children's Day | 6 | 7 | 8 Victory Day | 9 |
| 19 | 10 | 11 New Moon 19:00 UTC | 12 | 13 Ascension Day | 14 | 15 | 16 |
| 20 | 17 | 18 | 19 First Quarter 19:13 UTC | 20 | 21 | 22 | 23 |
| 21 | 24 Whit Monday · Victoria Day | 25 | 26 Full Moon 11:14 UTC | 27 | 28 | 29 | 30 |
| 22 | 31 Memorial Day · Spring bank holiday | 1 | 2 | 3 | 4 | 5 | 6 |
12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) W = ISO week
Public holidays in May 2021
| Date | Holiday | Observed in |
|---|---|---|
| Labour Day | Germany, France, Brazil, Mexico | |
| Workers' Day | South Africa | |
| Early May bank holiday | UK | |
| May Day | Ireland | |
| Constitution Day | Japan | |
| Greenery Day | Japan | |
| Children's Day | Japan | |
| Victory Day | France | |
| Ascension Day | Germany, France | |
| Whit Monday | Germany, France | |
| Victoria Day | Canada | |
| Memorial Day | US | |
| Spring bank holiday | UK |
No national public holiday in May 2021 for the selected country.
National holidays only, from the open-source date-holidays dataset. States, provinces and regions add their own — see each country's holiday page for the full list and observances.
Moon phases
- Last Quarter
- New Moon
- First Quarter
- Full Moon
Times are shown in your time zone when JavaScript is on, UTC otherwise; near midnight the local date can differ. For moonrise and moonset see the moon pages for New York, London or Sydney.
May 2021 at a glance
- Days
- 31
- Weekdays
- 21
- Weekend days
- 10
- ISO weeks
- 17–22
- Day of year
- 121–151 of 365
- Quarter
- Q2
- Days left in 2021 after the 31st
- 214
- Friday the 13th
- No
The name: Named after Maia, a Roman goddess associated with growth.
Working days by country
Monday–Friday minus national public holidays that fall on a weekday. Regional holidays are not subtracted.
Need a span that crosses months? Use the date and time calculator.
May 2021: common questions
How many working days are there in May 2021?
May 2021 has 21 weekdays (Monday to Friday) and 10 weekend days. In the United States, Memorial Day (Mon, May 31) falls in the month, leaving 20 working days. In the United Kingdom, Early May bank holiday (Mon, May 3) and Spring bank holiday (Mon, May 31) leave 19 working days (UK-wide bank holidays only; England, Scotland and Northern Ireland each add their own).
What week numbers are in May 2021?
May 2021 covers ISO weeks 17, 18, 19, 20, 21, 22. ISO weeks start on Monday, so May 1, a Saturday, falls in week 17.
When is the full moon in May 2021?
Wednesday, May 26 at 11:14 UTC. The new moon is on Tuesday, May 11.
What day of the week does May 2021 start on?
May 2021 starts on a Saturday and ends on a Monday (the 31st). It runs from day 121 to day 151 of the year.