Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
259,579 days
From Tuesday, December 31, 1315 to Sunday, September 13, 2026.
Monday–Friday weekdays185,413
Weeks and days37,082w 5d
Calendar span710 years, 8 months, 13 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.