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

88,985 days

From Friday, January 17, 1783 to Saturday, September 5, 2026.

Monday–Friday weekdays63,560
Weeks and days12,712w 1d
Calendar span243 years, 7 months, 19 days

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