% -*- texinfo -*-
% @deftypefn {Function File} {datenum =} today
% Returns the current local date as the number of days since Jan 1, 0000.
% By this reckoning, Jan 1, 1970 is day number 719529.
%
% The returned number corresponds to 00:00:00 today.
%
% The returned value is also called a 'serial date number'
% (see @code{datenum}).
% @seealso{clock, date, datenum, now}
% @end deftypefn