class ViewController: UIViewController {
    let netAssociation = NetAssociation(serverName: "time.apple.com")

    func viewDidLoad() {
        super.viewDidLoad()

        netAssociation.delegate = self
        netAssociation.sendTimeQuery()
    }

    func reportFromDelegate() {
        let timeOffset = netAssociation.offset

        // serverTime will always be in UTC. Use an NSDateFormatter
        // to display it to your local timezone
        let serverTime = NSDate(timeIntervalSince1970: timeOffset)
    }
}