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ios - Converting String to NSDate Giving Wrong Date

I have a String that I converted using stringFromDate and now I'm trying to convert it back, however when the UIPicker starts, it's giving me the wrong day

 let dateFormatter = NSDateFormatter()
 dateFormatter.dateFormat = "dd MMM YYYY"

 print(birthday) // logs 15 Jan 1992

 let date = dateFormatter.dateFromString(birthday)
 self.datePicker.setDate(date!, animated: true)

I tried hardcoding "15 Feb 1992" but still the same result. The date on UIDatePicker shows 22 Dec 1991 on Start.

If I use hardcore 10 Jan 1980, it starts from 23 December 1979.

(I don't know if that's the case but I have MMM dd YYYY in UIPickerView whereas it's dd MMM YYYY for the strings.. I don't think though because while saving, it saves the right value)..

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You are using the wrong format. You need dd MMM yyyy.


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