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

3,667 days

From Friday, September 19, 2036 to Saturday, September 5, 2026.

Monday–Friday weekdays2,620
Weeks and days523w 6d
Calendar span10 years, 14 days

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