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

29,483 days

From Saturday, December 15, 1945 to Friday, September 4, 2026.

Monday–Friday weekdays21,060
Weeks and days4,211w 6d
Calendar span80 years, 8 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.