Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
15,598 days
From Tuesday, December 20, 1983 to Thursday, September 3, 2026.
Monday–Friday weekdays11,142
Weeks and days2,228w 2d
Calendar span42 years, 8 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.