Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
14,140 days
From Thursday, December 17, 1987 to Thursday, September 3, 2026.
Monday–Friday weekdays10,100
Weeks and days2,020w 0d
Calendar span38 years, 8 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.