Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
153,929 days
From Tuesday, March 29, 1605 to Monday, September 7, 2026.
Monday–Friday weekdays109,949
Weeks and days21,989w 6d
Calendar span421 years, 5 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.