/text/scalc/01/func_days360.xhp DAYS360 function DAYS360 Returns the difference between two dates based on the 360 day year used in interest calculations. Syntax DAYS360("Date1"; "Date2"; Type) If Date2 is earlier than Date1, the function will return a negative number. The optional argument Type determines the type of difference calculation. If Type = 0 or if the argument is missing, the US method (NASD, National Association of Securities Dealers) is used. If Type <> 0, the European method is used. Examples =DAYS360("2000-01-01";NOW()) returns the number of interest days from January 1, 2000 until today.