Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

86,221 days

From Thursday, August 12, 1790 to Saturday, September 5, 2026.

Monday–Friday weekdays61,586
Weeks and days12,317w 2d
Calendar span236 years, 24 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.