Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
219,171 days
From Tuesday, August 15, 1426 to Wednesday, September 9, 2026.
Monday–Friday weekdays156,551
Weeks and days31,310w 1d
Calendar span600 years, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.