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

149,422 days

From Monday, July 31, 1617 to Monday, September 7, 2026.

Monday–Friday weekdays106,730
Weeks and days21,346w 0d
Calendar span409 years, 1 month, 7 days

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