Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
185,158 days
From Monday, September 29, 1519 to Tuesday, September 8, 2026.
Monday–Friday weekdays132,256
Weeks and days26,451w 1d
Calendar span506 years, 11 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.