I am trying to display the week number of current date, and the date range of the week number. Right now the date range format is DateTime, I would like to change it to "Jan 13"instead. Any recommendations on how I can fix this?
override func viewDidLoad() {super.viewDidLoad()let dateToday = Date()let weekNumber = NSCalendar.current.component(.weekOfYear, from: dateToday)let weekRange = dayRangeOf(weekOfYear: weekNumber, for: dateToday)weekLabel.text = String("Week #\(weekNumber): \(weekRange)")}func dayRangeOf(weekOfYear: Int, for date: Date) -> Range<Date>{let calendar = Calendar.currentlet year = calendar.component(.yearForWeekOfYear, from: date)let startComponents = DateComponents(weekOfYear: weekOfYear, yearForWeekOfYear: year)let startDate = calendar.date(from: startComponents)!let endComponents = DateComponents(day:7, second: -1)let endDate = calendar.date(byAdding: endComponents, to: startDate)!return startDate..<endDate}Best Answer
There is a dedicated API to display date intervals: DateIntervalFormatter
let intervalForatter = DateIntervalFormatter()intervalFormatter.timeStyle = .noneintervalFormatter.dateStyle = .mediumweekLabel.text = String("Week #\(weekNumber): \(intervalFormatter.string(from: weekRange.lowerBound, to: weekRange.upperBound))")You can also use a custom date format (by the way Jan 13 is MMM d)
let intervalFormatter = DateIntervalFormatter()intervalFormatter.dateTemplate = "MMM d"let text = String("Week #\(weekNumber): \(intervalFormatter.string(from: weekRange.lowerBound, to: weekRange.upperBound))")You can user answer from: Date Format in Swift
let dateFormatterGet = DateFormatter()dateFormatterGet.dateFormat = "yyyy-MM-dd HH:mm:ss"let dateFormatterPrint = DateFormatter()dateFormatterPrint.dateFormat = "MM d"if let date = dateFormatterGet.date(from: "2016-02-29 12:24:26") {print(dateFormatterPrint.string(from: date))} else {print("There was an error decoding the string")}