Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
76,966 days
From Friday, December 15, 1815 to Saturday, September 5, 2026.
Monday–Friday weekdays54,975
Weeks and days10,995w 1d
Calendar span210 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.