May 2027 Calendar
May 2027 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 2027 month grid
May 2027
| 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 | 4 Greenery Day | 5 Children's Day | 6 Ascension Day · New Moon 10:59 UTC | 7 | 8 Victory Day | 9 |
| 19 | 10 | 11 | 12 | 13 First Quarter 04:44 UTC | 14 | 15 | 16 |
| 20 | 17 Whit Monday | 18 | 19 | 20 Full Moon 10:59 UTC | 21 | 22 | 23 |
| 21 | 24 Victoria Day | 25 | 26 | 27 | 28 Last Quarter 13:58 UTC | 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 2027
| 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 | |
| Ascension Day | Germany, France | |
| Victory Day | France | |
| Whit Monday | Germany, France | |
| Victoria Day | Canada | |
| Memorial Day | US | |
| Spring bank holiday | UK |
No national public holiday in May 2027 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
- New Moon
- First Quarter
- Full Moon
- Last Quarter
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 2027 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 2027 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 2027: common questions
How many working days are there in May 2027?
May 2027 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 2027?
May 2027 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 2027?
Thursday, May 20 at 10:59 UTC. The new moon is on Thursday, May 6.
What day of the week does May 2027 start on?
May 2027 starts on a Saturday and ends on a Monday (the 31st). It runs from day 121 to day 151 of the year.