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

40,909 days

From Thursday, September 3, 1914 to Friday, September 4, 2026.

Monday–Friday weekdays29,221
Weeks and days5,844w 1d
Calendar span112 years, 1 day

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