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

15,354 days

From Monday, August 20, 1984 to Thursday, September 3, 2026.

Monday–Friday weekdays10,968
Weeks and days2,193w 3d
Calendar span42 years, 14 days

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