Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,189 days
From Tuesday, September 15, 1508 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,135
Weeks and days27,027w 0d
Calendar span517 years, 11 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.