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

29,559 days

From Sunday, September 30, 1945 to Friday, September 4, 2026.

Monday–Friday weekdays21,115
Weeks and days4,222w 5d
Calendar span80 years, 11 months, 5 days

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