Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,107 days
From Sunday, December 6, 1508 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,077
Weeks and days27,015w 2d
Calendar span517 years, 9 months, 2 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.