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

13,410 days

From Saturday, December 16, 1989 to Thursday, September 3, 2026.

Monday–Friday weekdays9,579
Weeks and days1,915w 5d
Calendar span36 years, 8 months, 18 days

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