Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
179,355 days
From Monday, August 19, 1535 to Tuesday, September 8, 2026.
Monday–Friday weekdays128,111
Weeks and days25,622w 1d
Calendar span491 years, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.