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

21,843 days

From Tuesday, November 15, 1966 to Friday, September 4, 2026.

Monday–Friday weekdays15,603
Weeks and days3,120w 3d
Calendar span59 years, 9 months, 20 days

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