//San Diego, CA, USA
    let location = CLLocation(latitude: 32.88, longitude: -117.15)

    //TimeZone from extension (fast, synchronous, approximate)
    var timeZone = location.timeZone
    print(timeZone)

    //or calling the class method
    timeZone = TimeZoneLocate.timeZone(location: location)
    print(timeZone)

    //if you have the country code, you can speed things up.
    timeZone = TimeZoneLocate.timeZone(location: location, countryCode: "US")

    // A MORE accurate time zone if you are connected to network. (iOS 9.0 or later)
    location.timeZone { (tz) -> (Void) in
      guard let tz = tz else { return }
      // got a more accureate timezone from the network
      print("Network TimeZone: \(tz.identifier)")
    }

    // Same thing
    TimeZoneLocate.geocodeTimeZone(location: location) { (tz) -> (Void) in
      guard let tz = tz else { return }
      print("Network TimeZone: \(tz.identifier) (class method)")
    }