Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
123,773 days
From Monday, October 20, 1687 to Sunday, September 6, 2026.
Monday–Friday weekdays88,409
Weeks and days17,681w 6d
Calendar span338 years, 10 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.