Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
58,345 days
From Saturday, December 8, 1866 to Saturday, September 5, 2026.
Monday–Friday weekdays41,675
Weeks and days8,335w 0d
Calendar span159 years, 8 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.