Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
90,477 days
From Friday, December 18, 1778 to Sunday, September 6, 2026.
Monday–Friday weekdays64,625
Weeks and days12,925w 2d
Calendar span247 years, 8 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.