function days = month_length_lunar ( y, m )

%*****************************************************************************80
%
%% month_length_lunar() returns the number of days in a lunar month.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    22 July 2012
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer Y, the year.
%
%    integer M, the month.
%
%  Output:
%
%    real DAYS, the number of days in the month.
%
  if ( m < 1 || 12 < m )
    days = 0.0;
  else
    days = 29.53058;
  end

  return
end
