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

31,523 days

From Wednesday, May 15, 1940 to Friday, September 4, 2026.

Monday–Friday weekdays22,517
Weeks and days4,503w 2d
Calendar span86 years, 3 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.