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

15,967 days

From Thursday, December 16, 1982 to Thursday, September 3, 2026.

Monday–Friday weekdays11,405
Weeks and days2,281w 0d
Calendar span43 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.