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

179,343 days

From Saturday, August 31, 1535 to Tuesday, September 8, 2026.

Monday–Friday weekdays128,102
Weeks and days25,620w 3d
Calendar span491 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.