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

14,109 days

From Sunday, January 17, 1988 to Thursday, September 3, 2026.

Monday–Friday weekdays10,079
Weeks and days2,015w 4d
Calendar span38 years, 7 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.