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

77,191 days

From Thursday, May 4, 1815 to Saturday, September 5, 2026.

Monday–Friday weekdays55,136
Weeks and days11,027w 2d
Calendar span211 years, 4 months, 1 day

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