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

30,699 days

From Monday, August 17, 1942 to Friday, September 4, 2026.

Monday–Friday weekdays21,929
Weeks and days4,385w 4d
Calendar span84 years, 18 days

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