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

71,699 days

From Monday, May 17, 1830 to Saturday, September 5, 2026.

Monday–Friday weekdays51,214
Weeks and days10,242w 5d
Calendar span196 years, 3 months, 19 days

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