1 var diffDate = function(date, diff) {
 2                 return new Date(
 3                     Date.UTC(
 4                         date.getUTCFullYear(),
 5                         date.getUTCMonth(),
 6                         date.getUTCDate(),
 7                         date.getUTCHours(),
 8                         date.getUTCMinutes(),
 9                         date.getUTCSeconds()
10                     ) +
11                     diff
12                 );
13             };