moment get day

// return a numeber
var day = moment().day();

moment(testDate).format('MM/DD/YYYY');

var time = "15:30:00";
var formatted = moment(time, "HH:mm:ss").format("LT");
console.log(formatted); 
//it will return 3:30 PM

moment().format();                                // "2014-09-08T08:02:17-05:00" (ISO 8601, no fractional seconds)
moment().format("dddd, MMMM Do YYYY, h:mm:ss a"); // "Sunday, February 14th 2010, 3:25:50 pm"
moment().format("ddd, hA");                       // "Sun, 3PM"
moment('gibberish').format('YYYY MM DD');         // "Invalid date"

var check = moment(n.entry.date_entered, 'YYYY/MM/DD');

var month = check.format('M');
var day   = check.format('D');
var year  = check.format('YYYY');