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

23,929 days

From Tuesday, February 28, 1961 to Friday, September 4, 2026.

Monday–Friday weekdays17,093
Weeks and days3,418w 3d
Calendar span65 years, 6 months, 7 days

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