swift 5 only the day number from date
let dateString = "2018-12-24 18:00:00 UTC" let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd HH:mm:ss 'UTC'" guard let date = formatter.date(from: dateString) else { return } formatter.dateFormat = "yyyy" let year = formatter.string(from: date) formatter.dateFormat = "MM" let month = formatter.string(from: date) formatter.dateFormat = "dd" let day = formatter.string(from: date) print(year, month, day) // 2018 12 24
