Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
261,433 days
From Thursday, December 4, 1310 to Monday, September 14, 2026.
Monday–Friday weekdays186,737
Weeks and days37,347w 4d
Calendar span715 years, 9 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.