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

77,286 days

From Sunday, January 29, 1815 to Saturday, September 5, 2026.

Monday–Friday weekdays55,205
Weeks and days11,040w 6d
Calendar span211 years, 7 months, 7 days

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