Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
127,584 days
From Saturday, May 15, 1677 to Monday, September 7, 2026.
Monday–Friday weekdays91,131
Weeks and days18,226w 2d
Calendar span349 years, 3 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.