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

217,699 days

From Thursday, August 26, 1430 to Wednesday, September 9, 2026.

Monday–Friday weekdays155,499
Weeks and days31,099w 6d
Calendar span596 years, 14 days

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