ecma_date_value_to_utc_string (ecma_number_t datetime_number) /**< datetime */
{
  return ecma_date_to_string_format (datetime_number, "$W, $D $M $Y $h:$m:$s GMT");
} /* ecma_date_value_to_utc_string */
ecma_date_value_to_utc_string (ecma_number_t datetime_number)  
{
  return ecma_date_to_string_format (datetime_number, "$W, $D $M $Y $h:$m:$s GMT");
}  