Swift full date with milliseconds

Is any way to print full date with milliseconds?

For example, I'm doing this:

print("\(NSDate())")

But I'm just get this:

2016-05-09 22:07:19 +0000

How can I get the milliseconds too in the full date?

**Updated for Swift 3**

let d = Date()
let df = DateFormatter()
df.dateFormat = "y-MM-dd H:mm:ss.SSSS"

df.string(from: d) // -> "2016-11-17 17:51:15.1720"


When you have a `Date` `d`, you can get the formatted string using a NSDateFormatter. You can also use a formatter to turn a string date based on your format into a `Date`

See this chart for more on what dateFormat can do

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**Swift 5** to/from Timestamp String Extension

extension String {
static func timestamp() -> String {
let dateFMT = DateFormatter()
dateFMT.locale = Locale(identifier: "en_US_POSIX")
dateFMT.dateFormat = "yyyyMMdd'T'HHmmss.SSSS"
let now = Date()

return String(format: "%@", dateFMT.string(from: now))
}

func tad2Date() -> Date? {
let dateFMT = DateFormatter()
dateFMT.locale = Locale(identifier: "en_US_POSIX")
dateFMT.dateFormat = "yyyyMMdd'T'HHmmss.SSSS"

return dateFMT.date(from: self)
}
}