class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return cities.count
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = UITableViewCell(style: UITableViewCell.CellStyle.default, reuseIdentifier: "Cell")

    cell.textLabel?.text = "In (cities[indexPath.row]) it's (cities.description + Calendar.Component.hour)"


    return cell
}

let cities:[String:Int] = ["Rome": +1 ,"London": 0, "Los Angeles" : -8, "Seul" : +9,"Honolulu": -10, "Pechino" : +8, "Il Cairo": +2, "Tokyo" : +9]

override func viewDidLoad() {

    super.viewDidLoad()
    //Takes the date from the device

    let date = Date()
    let formatter = DateFormatter()
    formatter.dateFormat = "dd.MM.yyyy"
   let result = formatter.date(from: "date")

    //Takes the time from the device
    var calendar = Calendar.current
    var hour = calendar.component(.hour, from: date)
    var minutes = calendar.component(.minute, from: date)