Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,165 days
From Friday, October 9, 1508 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,117
Weeks and days27,023w 4d
Calendar span517 years, 10 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.