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.

The end date comes before the start date

20,557 days

From Tuesday, December 15, 2082 to Thursday, September 3, 2026.

Monday–Friday weekdays14,683
Weeks and days2,936w 5d
Calendar span56 years, 3 months, 12 days

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