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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.

2027 overview

May 2027 month grid

May 2027

W MonTueWedThuFriSatSun
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

DateHolidayObserved 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

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.

Other months in 2027

May in other years