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

3,303 days

From Monday, August 21, 2017 to Sunday, September 6, 2026.

Monday–Friday weekdays2,359
Weeks and days471w 6d
Calendar span9 years, 16 days

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