Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,609 days
From Tuesday, August 22, 1600 to Monday, September 7, 2026.
Monday–Friday weekdays111,149
Weeks and days22,229w 6d
Calendar span426 years, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.