Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
151,461 days
From Saturday, December 31, 1611 to Monday, September 7, 2026.
Monday–Friday weekdays108,186
Weeks and days21,637w 2d
Calendar span414 years, 8 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.