Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
151,699 days
From Saturday, May 7, 1611 to Monday, September 7, 2026.
Monday–Friday weekdays108,356
Weeks and days21,671w 2d
Calendar span415 years, 4 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.