new Date(Date.UTC(new Date().getFullYear(), new Date().getMonth(), new Date().getDate(), new Date().getHours(), new Date().getMinutes(), new Date().getSeconds())).toISOString().replace("T", " ").replace(".", " ").slice(0, 19);
혹은
var date = new Date();
var date_format_str = date.getFullYear().toString() + "-" + ((date.getMonth() + 1).toString().length == 2 ? (date.getMonth() + 1).toString() : "0" + (date.getMonth() + 1).toString()) + "-" + (date.getDate().toString().length == 2 ? date.getDate().toString() : "0" + date.getDate().toString()) + " " + (date.getHours().toString().length == 2 ? date.getHours().toString() : "0" + date.getHours().toString()) + ":" + ((parseInt(date.getMinutes() / 5) * 5).toString().length == 2 ? (parseInt(date.getMinutes() / 5) * 5).toString() : "0" + (parseInt(date.getMinutes() / 5) * 5).toString()) + ":00";
console.log(date_format_str);