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

93,318 days

From Saturday, March 9, 1771 to Sunday, September 6, 2026.

Monday–Friday weekdays66,655
Weeks and days13,331w 1d
Calendar span255 years, 5 months, 28 days

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