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

21,960 days

From Thursday, July 21, 1966 to Friday, September 4, 2026.

Monday–Friday weekdays15,686
Weeks and days3,137w 1d
Calendar span60 years, 1 month, 14 days

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