Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
123,199 days
From Monday, May 16, 1689 to Sunday, September 6, 2026.
Monday–Friday weekdays87,999
Weeks and days17,599w 6d
Calendar span337 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.