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datetime - How to Convert UNIX epoch time to Date and time in ios swift

I'm trying to convert the UNIX epoc time to datetime format using the below code

var epocTime = NSTimeInterval(1429162809359)

let myDate = NSDate(timeIntervalSince1970: epocTime)
println("Converted Time (myDate)")

the actual result is (Thu, 16 Apr 2015 05:40:09 GMT) but am getting something like (47258-05-14 05:15:59 +0000) Can anyone please tel me how to achieve this.

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update: Xcode 8.2.1 ? Swift 3.0.2 or later

You need to convert it from milliseconds dividing it by 1000:

let epochTime = TimeInterval(1429162809359) / 1000
let date = Date(timeIntervalSince1970: epochTime)   // "Apr 16, 2015, 2:40 AM"

print("Converted Time (date)")         // "Converted Time 2015-04-16 05:40:09 +0000
"

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