how to get utc day time hours in one line in javascript code example

Example 1: javascript get current time

var today = new Date();
var time = today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();

Example 2: php jquery plus 1 day

var date = new Date();

// add a day
date.setDate(date.getDate() + 1);