norsez

extension Date {
    static func ISOStringFromDate(date: Date) -> String {
        let dateFormatter = DateFormatter()
        dateFormatter.locale = Locale(identifier: "en_US_POSIX")
        dateFormatter.timeZone = TimeZone(abbreviation: "GMT")
        dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS"
        
        return dateFormatter.string(from: date).appending("Z")
    }