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

161,130 days

From Thursday, July 11, 1585 to Monday, September 7, 2026.

Monday–Friday weekdays115,092
Weeks and days23,018w 4d
Calendar span441 years, 1 month, 27 days

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