Purpose Returns a date value given the year, month, and day as arguments. If an invalid date has been specified, the system will display an error. Syntax DateSerial (Year, Month, Day) Year Any numeric expression that evaluates to the integer values 100 to 9999 inclusive. Month Any numeric expression that evaluates to the integer values 1 to 12 inclusive. Day Any numeric expression that evaluates to the integer values 1 to 31 inclusive. Example Sub Main ()         Dim myyear As Integer         Dim mymonth As Integer         Dim myday As Integer         Dim mybirthday As Date         myyear = 1971 : mymonth = 7 : myday = 9         mybirthday = DateSerial(myyear, mymonth, myday)                 Print "My birthday is:", mybirthday End Sub