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

89,900 days

From Monday, July 17, 1780 to Sunday, September 6, 2026.

Monday–Friday weekdays64,214
Weeks and days12,842w 6d
Calendar span246 years, 1 month, 20 days

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