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

77,173 days

From Tuesday, May 23, 1815 to Sunday, September 6, 2026.

Monday–Friday weekdays55,123
Weeks and days11,024w 5d
Calendar span211 years, 3 months, 14 days

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