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

42,018 days

From Monday, August 21, 1911 to Friday, September 4, 2026.

Monday–Friday weekdays30,014
Weeks and days6,002w 4d
Calendar span115 years, 14 days

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