Date Formatter isn't showing correct day of the month when using format "DD"

Question

I am trying to show today's date as March 26 but it is showing as "March 85" when I use this code.

let formatter = DateFormatter()
formatter.dateFormat = "MMMM DD"
let defaultTimeZoneStr = formatter.string(from: Date())

Answer 1

The problem is that you are using the wrong date format. D is for "day of year". The correct symbol for "day of month" is lowercased d Thats why you are getting 85instead of 26.

Another point you should consider is to set your locale fixed to "en_US_POSIX" if you don't want your date string to reflect the users settings and locale.

Note that you should use Swift native type Date instead of NSDate.

If your intent is to display it respecting the user locale and settings you should use date formatter dateStyle (short, medium, long or full) How do I get the current Date in short format in Swift

If you need a localized date format limited to month and day only, you can use DateFormatter method dateFormat from template:

class func dateFormat(fromTemplate tmplate: String, options opts: Int, locale: Locale?) -> String?

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let df = DateFormatter()
df.dateFormat = DateFormatter.dateFormat(fromTemplate: "MMMMdd", options: 0, locale: .current)
df.string(from: Date())  // "March 27"