Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
90,103 days
From Monday, December 27, 1779 to Sunday, September 6, 2026.
Monday–Friday weekdays64,359
Weeks and days12,871w 6d
Calendar span246 years, 8 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.