Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
261,636 days
From Thursday, May 15, 1310 to Monday, September 14, 2026.
Monday–Friday weekdays186,882
Weeks and days37,376w 4d
Calendar span716 years, 3 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.