Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,980 days
From Tuesday, August 17, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,414
Weeks and days22,282w 6d
Calendar span427 years, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.