Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
160,463 days
From Saturday, May 9, 1587 to Monday, September 7, 2026.
Monday–Friday weekdays114,616
Weeks and days22,923w 2d
Calendar span439 years, 3 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.