Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,960 days
From Monday, September 6, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,400
Weeks and days22,280w 0d
Calendar span427 years, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.