Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
259,597 days
From Friday, December 13, 1315 to Sunday, September 13, 2026.
Monday–Friday weekdays185,425
Weeks and days37,085w 2d
Calendar span710 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.