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

14,445 days

From Sunday, February 15, 1987 to Thursday, September 3, 2026.

Monday–Friday weekdays10,319
Weeks and days2,063w 4d
Calendar span39 years, 6 months, 19 days

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