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

179,437 days

From Wednesday, May 29, 1535 to Tuesday, September 8, 2026.

Monday–Friday weekdays128,169
Weeks and days25,633w 6d
Calendar span491 years, 3 months, 10 days

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