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

189,204 days

From Monday, August 31, 1508 to Tuesday, September 8, 2026.

Monday–Friday weekdays135,146
Weeks and days27,029w 1d
Calendar span518 years, 8 days

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