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

206,379 days

From Friday, August 23, 1461 to Wednesday, September 9, 2026.

Monday–Friday weekdays147,413
Weeks and days29,482w 5d
Calendar span565 years, 17 days

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