Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
123,997 days
From Monday, March 10, 1687 to Sunday, September 6, 2026.
Monday–Friday weekdays88,569
Weeks and days17,713w 6d
Calendar span339 years, 5 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.