The Excel DAYS function returns the number of days between two dates. With a start date in A1 and end date in B1, =DAYS(B1,A1) will return the days between the two dates.
Purpose: Get days between dates
Return value: A number representing days.
Syntax
=DAYS (end_date, start_date)
Example:
With a start date in A1 and end date in A2,
=DAYS(A2,A1)
Will return the same result as:
=A2-A1