May 2027 has 20 business days (US). The month has 31 days: 21 weekdays (Monday–Friday) and 10 weekend days, starting on a Saturday and ending on a Monday. 1 federal holiday falls on a weekday.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31* |
* US federal holiday (observed date)
| US federal holiday | Date |
|---|---|
| Memorial Day | Monday, May 31, 2027 |
Hours in May 2027
- 20 business days × 8 h = 160 working hours
- 21 weekdays × 8 h = 168 h before holidays
- Business days in all of 2027: see 2027 calendar facts
Other countries and US states have their own public holidays — subtract them, or use the business days calculator for any custom range.