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

20,263 days

From Saturday, March 13, 1971 to Thursday, September 3, 2026.

Monday–Friday weekdays14,474
Weeks and days2,894w 5d
Calendar span55 years, 5 months, 21 days

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