How many working days are in May 2027?
Monday-to-Friday counts for May 2027, with US federal holidays shown separately so you can use whichever number your payroll, PTO, or project plan needs.
21
Working days
Mon–Fri, weekends excluded
20
After federal holidays
1 weekday holiday
168
Work hours
8 hours per working day
10
Weekend days
31 calendar days total
US federal holidays in May 2027
- Memorial Day — observed May 31, 2027
How this number was reached
Every calendar day in May 2027 is checked in turn. Saturdays and Sundays are removed, leaving 21 working days out of 31 calendar days. The 11 US federal holidays are then matched against those weekdays using their observed dates — a holiday falling on a Saturday is observed on the Friday before, and one falling on a Sunday on the Monday after — which removes 1 more day.
Need a different date range, a custom weekend, or your own company holidays? Use the Business Days Calculator.