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

29,579 days

From Monday, September 10, 1945 to Friday, September 4, 2026.

Monday–Friday weekdays21,129
Weeks and days4,225w 4d
Calendar span80 years, 11 months, 25 days

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