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

91,845 days

From Tuesday, March 21, 1775 to Sunday, September 6, 2026.

Monday–Friday weekdays65,603
Weeks and days13,120w 5d
Calendar span251 years, 5 months, 16 days

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