Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
189,945 days
From Tuesday, August 21, 1506 to Tuesday, September 8, 2026.
Monday–Friday weekdays135,675
Weeks and days27,135w 0d
Calendar span520 years, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.