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

184,833 days

From Thursday, August 19, 1520 to Tuesday, September 8, 2026.

Monday–Friday weekdays132,023
Weeks and days26,404w 5d
Calendar span506 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.