Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,229 days
From Thursday, September 6, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays110,877
Weeks and days22,175w 4d
Calendar span425 years, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.