Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
28,958 days
From Thursday, December 17, 2105 to Friday, September 4, 2026.
Monday–Friday weekdays20,684
Weeks and days4,136w 6d
Calendar span79 years, 3 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.