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

60,531 days

From Thursday, December 13, 1860 to Saturday, September 5, 2026.

Monday–Friday weekdays43,236
Weeks and days8,647w 2d
Calendar span165 years, 8 months, 23 days

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