Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,777 days
From Saturday, September 27, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays11,984
Weeks and days2,396w 5d
Calendar span45 years, 11 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.