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

19,824 days

From Thursday, December 12, 2080 to Thursday, September 3, 2026.

Monday–Friday weekdays14,160
Weeks and days2,832w 0d
Calendar span54 years, 3 months, 9 days

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