Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

14,134 days

From Wednesday, December 23, 1987 to Thursday, September 3, 2026.

Monday–Friday weekdays10,096
Weeks and days2,019w 1d
Calendar span38 years, 8 months, 11 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.