Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
261,985 days
From Friday, May 31, 1309 to Monday, September 14, 2026.
Monday–Friday weekdays187,131
Weeks and days37,426w 3d
Calendar span717 years, 3 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.