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

185,971 days

From Sunday, July 8, 1517 to Tuesday, September 8, 2026.

Monday–Friday weekdays132,837
Weeks and days26,567w 2d
Calendar span509 years, 2 months

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