extension Date{
  var month:String{
    let locale = Locale.preferredLanguages[0]
    let formatter = DateFormatter()
//    formatter.locale = NSLocale.current
    formatter.locale = Locale.init(identifier: locale)
    formatter.setLocalizedDateFormatFromTemplate("MMMM")
    return formatter.string(from: self)
  }
  var monthDays:Range<Int>{
    return Calendar.current.range(of: .day, in: .month, for: self)!
  }
  var monthDay:Int{
    return Calendar.current.component(.day, from: self)
  }
  var weekDay:Int{
    return Calendar.current.component(.weekday, from: self)  - 1
  }
  var firstDayofMonth:Date {
    var componets = Calendar.current.dateComponents( [.year, .month], from: self)
    componets.day = monthDays.lowerBound
    return Calendar.current.date(from: componets)!
  }
  var lastDayofMonth:Date {
        var componets = Calendar.current.dateComponents( [.year, .month], from: self)
        componets.day = monthDays.upperBound - 1
        return Calendar.current.date(from: componets)!
    }
    var firstDayofWeek:Date{
        var componets = Calendar.current.dateComponents( [.year,.month], from: self)
        componets.day = monthDay - weekDay
        return Calendar.current.date(from: componets)!
    }
  static
    func makeTheDate(month:Int,day:Int,year:Int,hour:Int = 0 ,minute:Int = 0)->Date?{
    let calendar = Calendar.current

    var components = DateComponents()

    components.day = day
    components.month = month
    components.year = year
    components.hour = hour
    components.minute = minute

    return calendar.date(from: components)
  }
}