Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
161,189 days
From Monday, May 13, 1585 to Monday, September 7, 2026.
Monday–Friday weekdays115,135
Weeks and days23,027w 0d
Calendar span441 years, 3 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.