public static function newFromEpoch(PhabricatorUser $viewer, $epoch)
 {
     $value = new AphrontFormDateControlValue();
     $value->viewer = $viewer;
     $readable = $value->formatTime($epoch, 'Y!m!d!g:i A');
     $readable = explode('!', $readable, 4);
     $year = $readable[0];
     $month = $readable[1];
     $day = $readable[2];
     $time = $readable[3];
     list($value->valueDate, $value->valueTime) = $value->getFormattedDateFromParts($year, $month, $day, $time);
     return $value;
 }