Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,455 days
From Tuesday, January 23, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays111,039
Weeks and days22,207w 6d
Calendar span425 years, 7 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.