Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
259,881 days
From Monday, March 4, 1315 to Sunday, September 13, 2026.
Monday–Friday weekdays185,629
Weeks and days37,125w 6d
Calendar span711 years, 6 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.