Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
123,318 days
From Monday, January 17, 1689 to Sunday, September 6, 2026.
Monday–Friday weekdays88,084
Weeks and days17,616w 6d
Calendar span337 years, 7 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.