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

13,761 days

From Friday, December 30, 1988 to Thursday, September 3, 2026.

Monday–Friday weekdays9,829
Weeks and days1,965w 6d
Calendar span37 years, 8 months, 4 days

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