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

42,758 days

From Wednesday, August 11, 1909 to Friday, September 4, 2026.

Monday–Friday weekdays30,542
Weeks and days6,108w 2d
Calendar span117 years, 24 days

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