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

206,027 days

From Sunday, August 10, 1462 to Wednesday, September 9, 2026.

Monday–Friday weekdays147,163
Weeks and days29,432w 3d
Calendar span564 years, 30 days

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