Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
78,427 days
From Sunday, December 15, 1811 to Saturday, September 5, 2026.
Monday–Friday weekdays56,020
Weeks and days11,203w 6d
Calendar span214 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.