Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,432 days
From Thursday, February 15, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays111,022
Weeks and days22,204w 4d
Calendar span425 years, 6 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.