Calculates the difference between two date values. The result returns the number of days between the two days.


DAYS(Date2; Date1)

Date1 is the start date, Date2 is the end date. If Date2 is an earlier date than Date1 the result is a negative number.


=DAYS("2010-01-01"; NOW()) returns the number of days from today until January 1, 2010.

=DAYS("1990-10-10";"1980-10-10") returns 3652 days.