This might come in handy. Simple function which converts local time to UTC (Universal Coordinated Time). It accepts single argument of type Date. //converts local time to UTC (Universal Time) function toUTC(/*Date*/date) { return Date.UTC( date.getFullYear() , date.getMonth() , date.getDate() , date.getHours() , date.getMinutes() , date.getSeconds() , date.getMilliseconds() ); } //toUTC()