Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
16,682 days
From Wednesday, December 31, 1980 to Thursday, September 3, 2026.
Monday–Friday weekdays11,916
Weeks and days2,383w 1d
Calendar span45 years, 8 months, 3 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.