using System;

using System.Xml;

using NodaTime;

using NodaTime.Text;

public class Program

{

    public static void Main()

    {

        string _QsDateTime = "12.11.2016 21:30";

        var _CountryZone = DateTimeZoneProviders.Tzdb["Europe/Istanbul"];

        var _DatePattern = LocalDateTimePattern.CreateWithCurrentCulture("dd.MM.yyyy HH:mm");

        var _LocalTime = _DatePattern.Parse(_QsDateTime).Value;

        var _LocalTime2TargetZoneTime = _LocalTime.InZoneStrictly(_CountryZone);

        var _TargetZone2Utc = _LocalTime2TargetZoneTime.WithZone(DateTimeZone.Utc).ToDateTimeUtc();

        _QsDateTime = _TargetZone2Utc.ToString("yyyy-MM-dd HH:mm:ss");

        Console.WriteLine(_QsDateTime);

    }

}