Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,961 days
From Wednesday, October 17, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,543
Weeks and days20,708w 5d
Calendar span396 years, 10 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.