Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,790 days
From Sunday, September 14, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays11,994
Weeks and days2,398w 4d
Calendar span45 years, 11 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.