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

42,024 days

From Tuesday, August 15, 1911 to Friday, September 4, 2026.

Monday–Friday weekdays30,018
Weeks and days6,003w 3d
Calendar span115 years, 20 days

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