var res = []; var d = new Date(2018, 0, 8, 15, 30); res[0] = d.toUTCString(); // Mon, 08 Jan 2018 06:30:00 GMT res[1] = d.toString(); // Mon Jan 08 2018 15:30:00 GMT+0900 (대한민국 표준시) res[2] = d.toDateString(); // Mon Jan 08 2018 res[3] = d.toTimeString(); // 15:30:00 GMT+0900 (대한민국 표준시) res[4] = d.toLocaleString(); // 2018. 1. 8. 오후 3:30:00 res[5] = d.toLocaleDateString(); // 2018. 1. 8. res[6] = d.toLocaleTimeString(); // 오후 3:30:00 res[7] = d.valueOf(); // 1515393000000 res[8] = d.toISOString(); // 2018-01-08T06:30:00.000Z res[9] = d.toJSON(); // 2018-01-08T06:30:00.000Z res.forEach(function(item) { document.write(item + "<br>"); });