moment().utcOffset(0, true).format()
moment(date).utcOffset()
moment.tz.setDefault("America/New_York");
var tz = moment.tz.guess();
moment.tz(
new Date().toJSON().split('T')[0] + ' 5:00 PM',
'YYYY-MM-DD h:mm A',
'America/New_York'
)
moment().utcOffset(0, false).format()
//in format use by your need