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

217,791 days

From Wednesday, May 26, 1430 to Wednesday, September 9, 2026.

Monday–Friday weekdays155,565
Weeks and days31,113w 0d
Calendar span596 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.