Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
261,995 days
From Tuesday, May 21, 1309 to Monday, September 14, 2026.
Monday–Friday weekdays187,139
Weeks and days37,427w 6d
Calendar span717 years, 3 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.