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

18,154 days

From Monday, December 20, 1976 to Thursday, September 3, 2026.

Monday–Friday weekdays12,968
Weeks and days2,593w 3d
Calendar span49 years, 8 months, 14 days

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