Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,797 days
From Sunday, September 7, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays11,999
Weeks and days2,399w 4d
Calendar span45 years, 11 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.