10 function rgb2hex (r, g, b) {

    10 function formatTime (ts) {

    11 	return "0x"

    11 	var hours = Math.floor( (ts/1000) / 3600 ) % 24;

    12 		 + ("0" + parseInt(r, 10).toString(16)).slice(-2)

    12 	var minutes = Math.floor( (ts/1000) / 60 ) % 60;

    13 		 + ("0" + parseInt(g, 10).toString(16)).slice(-2)

    13 	var seconds = Math.floor( (ts/1000) % 60);

    14 		 + ("0" + parseInt(b, 10).toString(16)).slice(-2);

    14 	return ((hours < 10 ? '0' + hours : hours) + ':' + (minutes < 10 ? '0' + minutes : minutes) + ':' + (seconds  < 10 ? '0' + seconds : seconds));

    15 }

    16 

    17 

    18 module.exports = {

    19 	formatTime: formatTime