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

182,642 days

From Thursday, August 19, 1526 to Tuesday, September 8, 2026.

Monday–Friday weekdays130,458
Weeks and days26,091w 5d
Calendar span500 years, 20 days

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