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

68,017 days

From Monday, June 15, 1840 to Saturday, September 5, 2026.

Monday–Friday weekdays48,584
Weeks and days9,716w 5d
Calendar span186 years, 2 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.