JavaScript - COMO OBTENER LA FECHA Y HORA DEL SERVIDOR

$hoy = getdate();

$dia_act = intval($hoy[mday]);

$mes_act = intval($hoy[mon]-1);

$ano_act = intval($hoy[year]);

$hora_act = intval($hoy[hours]);

$minuto_act = intval($hoy[minutes]);

$segundo_act = '00';

var hoy=new Date('<?php echo $ano_act?>','<?php echo $mes_act?>','<?php echo $dia_act?>','<?php echo $hora_act?>','<?php echo $minuto_act?>','<?php echo $segundo_act?>')

var hoy=new Date('<?php echo $ano_act?>','<?php echo $mes_act?>','<?php echo $dia_act?>','<?php echo $hora_act?>','<?php echo $minuto_act?>','<?php echo $segundo_act?>')