Returns the serial number of the current date
[C++]
static int Today(
   double& ddt
);
static int Today(
   long& ldt
);
A reference to a value that will contain a serial date if the function succeeds.
A reference to a value that will contain a serial date if the function succeeds.
Zero if the function has been called successfully; non-zero
            if the function could not be called.
            See Error codes for a list
            of return values.
See the Microsoft Excel on-line Help for full details about
            this function.
Header: xlfuncs.h