Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
58,338 days
From Saturday, December 15, 1866 to Saturday, September 5, 2026.
Monday–Friday weekdays41,670
Weeks and days8,334w 0d
Calendar span159 years, 8 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.