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

60,255 days

From Sunday, September 15, 1861 to Saturday, September 5, 2026.

Monday–Friday weekdays43,040
Weeks and days8,607w 6d
Calendar span164 years, 11 months, 21 days

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