@start_time = @game_session.start_time.in_time_zone(u.time_zone.to_s).strftime('%l:%M%P')
      @end_time = @game_session.end_time.in_time_zone(u.time_zone.to_s).strftime('%l:%M%P')
      mail(to: u.email, subject: "New Session: #{@game_session_title}-#{@game_mode_title} | #{@start_time}")