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

86,583 days

From Saturday, August 15, 1789 to Saturday, September 5, 2026.

Monday–Friday weekdays61,845
Weeks and days12,369w 0d
Calendar span237 years, 21 days

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