public void setSelectedTimezone(String timezone){

        Regions selectedTimezone = Regions.valueOf(timezone);

        switch (selectedTimezone){
            case Simplified:
                updateForStandard();
                break;
            case All:
                updateForAll();
                break;
            case Africa:
                updateForAfrica();
                break;
            case America:
                updateForAmerica();
                break;
            case Asia:
                updateForAsia();
                break;
            case Australia:
                updateForAustralia();
                break;
            case Europe:
                updateForEurope();
                break;
            case Pacific:
                updateForPacific();
                break;
            case US:
                updateForUs();
                break;
            default:
                updateForStandard();
        }
    }