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

87,678 days

From Wednesday, August 16, 1786 to Saturday, September 5, 2026.

Monday–Friday weekdays62,627
Weeks and days12,525w 3d
Calendar span240 years, 20 days

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