function jed = epoch_to_jed_unix ( )

%*****************************************************************************80
%
%% EPOCH_TO_JED_UNIX returns the epoch of the UNIX calendar as a JED.
%
%  Discussion:
%
%    The UNIX Epoch is taken to be the first second of 1 January 1970.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    15 June 2012
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, real JED, the Julian Ephemeris Date of the epoch.
%
  jed = 2440587.50;

  return
end