May 2027 Calendar with Holidays
May 2027 runs from Saturday, May 1, 2027 to Monday, May 31, 2027. Of its 21 weekdays, 20 are working days, because Memorial Day falls on Monday, May 31, 2027.
One page with the holidays marked.
May 2027 calendar
May 2027
- Wed May 5: Cinco de Mayo
- Sun May 9: Mother's Day
- Mon May 17: Eid al-Adha
- Mon May 31: Memorial Day
Weeks start on Sunday. The narrow first column is the ISO week number of each row's Monday, and federal holidays are shaded.
May 2027 in numbers
Holidays in May 2027
| US federal holiday | Day off | Federal Reserve Banks | Stock market (NYSE) |
|---|---|---|---|
| Memorial Day | Monday, May 31 | Closed | Closed |
Memorial Day gives a long weekend from Saturday, May 29 to Monday, May 31, 2027.
Other days to know
| Day | Date |
|---|---|
| Cinco de Mayo | Wednesday, May 5 |
| Mother's Day | Sunday, May 9 |
| Eid al-Adha | Monday, May 17 |
Islamic dates are estimates and can move by a day once the new moon is sighted.
Working days and paydays
At eight hours a day, the 20 working days add up to 160 hours.
Biweekly paydays depend on the Friday your pay cycle started. If it began on Friday, January 1, 2027, you are paid on May 7 and 21, 2027. On the other cycle, a week later, payday is May 14 and 28, 2027. Semi-monthly pay on the 15th and the last day comes on Friday, May 14, 2027 and Friday, May 28, 2027. May 15 is a Saturday and May 31 is the Memorial Day holiday, and most employers then pay on the business day before.
Week numbers in May 2027
| ISO week | Monday | Sunday |
|---|---|---|
| Week 17 | April 26, 2027 | May 2, 2027 |
| Week 18 | May 3, 2027 | May 9, 2027 |
| Week 19 | May 10, 2027 | May 16, 2027 |
| Week 20 | May 17, 2027 | May 23, 2027 |
| Week 21 | May 24, 2027 | May 30, 2027 |
| Week 22 | May 31, 2027 | June 6, 2027 |
May 2027 has days in 6 ISO weeks, from week 17 to week 22.
In Excel or Google Sheets, the formula =ISOWEEKNUM(DATE(2027,5,15)) gives week 19 for May 15. The US formula =WEEKNUM(DATE(2027,5,15)) gives week 20 for the same day, since it starts weeks on Sunday and counts from January 1.
Moon phases in May 2027
| Phase | Date | Time |
|---|---|---|
| New moon | Thursday, May 6 | 6:58 AM ET |
| First quarter | Thursday, May 13 | 12:44 AM ET |
| Full moon (Flower Moon) | Thursday, May 20 | 6:59 AM ET |
| Last quarter | Friday, May 28 | 9:58 AM ET |
The full moon this month is the Flower Moon. It is full at 6:59 AM Eastern time on Thursday, May 20, 2027. Look for the darkest skies around the new moon on Thursday, May 6, 2027. Every full moon of the year, with its name, is on the full moon calendar 2027.
May 2027 questions
How many working days are in May 2027?
20. May 2027 has 21 weekdays, and Memorial Day on Monday, May 31, 2027 is a federal holiday. State holidays and company closures are not taken out.
How many paydays are in May 2027?
With biweekly pay on Fridays, you get two either way: May 7 and 21, 2027 on one cycle, or May 14 and 28, 2027 on the other. Semi-monthly pay always gives two.
Related pages
Cite this page
APA: ClockTotals. (2026, October 17). May 2027 Calendar with Holidays. https://clocktotals.com/calendar/2027/may/
MLA: “May 2027 Calendar with Holidays.” ClockTotals, 17 Oct. 2026, clocktotals.com/calendar/2027/may/.
Link (HTML): <a href="https://clocktotals.com/calendar/2027/may/">May 2027 Calendar with Holidays</a>