Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,940 days
From Saturday, May 22, 1509 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,957
Weeks and days26,991w 3d
Calendar span517 years, 3 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.