 feature.get('name'); // e.g. GMT -08:30
        var match = name.match(/([\-+]\d{2}):(\d{2})$/);
        if (match) {
          var hours = parseInt(match[1], 10);
          var minutes = parseInt(match[2], 10);
          offset = 60 * hours + minutes;
        }
        var date = new Date();
        var local = new Date(date.getTime() +
            (date.getTimezoneOffset() + offset) * 60000);
        // offset from local noon (in hours)
        var delta = Math.abs(12 - local.getHours() + (local.getMinut