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

168,024 days

From Friday, August 26, 1566 to Monday, September 7, 2026.

Monday–Friday weekdays120,016
Weeks and days24,003w 3d
Calendar span460 years, 12 days

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