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

30,578 days

From Wednesday, December 16, 1942 to Friday, September 4, 2026.

Monday–Friday weekdays21,842
Weeks and days4,368w 2d
Calendar span83 years, 8 months, 19 days

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