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

40,574 days

From Wednesday, August 4, 1915 to Friday, September 4, 2026.

Monday–Friday weekdays28,982
Weeks and days5,796w 2d
Calendar span111 years, 1 month

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