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

60,999 days

From Friday, September 2, 1859 to Saturday, September 5, 2026.

Monday–Friday weekdays43,570
Weeks and days8,714w 1d
Calendar span167 years, 3 days

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