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

90,449 days

From Friday, January 15, 1779 to Sunday, September 6, 2026.

Monday–Friday weekdays64,605
Weeks and days12,921w 2d
Calendar span247 years, 7 months, 22 days

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