Swift 3 Unix Time Stamp to Date

let timestamp: Double = 1489467795000

let date = Date(timeIntervalSince1970: timestamp/1000)

let formatter = DateFormatter()

formatter.dateFormat = "MMM dd, YYYY"

formatter.timeZone = TimeZone(abbreviation: "UTC")

formatter.locale = NSLocale.current

let updatedDateStr = formatter.string(from: date)   //"Mar 14, 2017"

Hope This post is useful. Feel free to comment incase of any queries.