/**
  * get_gmt_offset method
  *
  * Local wrapper to {@see get_option( 'gmt_offset' )} to incorporate
  * user-specific timezone selections.
  *
  * @uses self::get_local_timezone() To get effective timezone string
  *
  * @return float Timezone offset from GMT
  */
 public function get_gmt_offset()
 {
     return Ai1ec_Time_Utility::get_gmt_offset();
 }