Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
133,489 days
From Tuesday, March 15, 1661 to Monday, September 7, 2026.
Monday–Friday weekdays95,349
Weeks and days19,069w 6d
Calendar span365 years, 5 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.