C# get current timestamp

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using System;
using System.Globalization;

public class Program
{
	public static void Main()
	{
		DateTime now = DateTime.Now;

		CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;

		Console.WriteLine(now.ToBinary());            // -8586359643687607670
		Console.WriteLine(now.ToFileTime());          // 132101161167168138
		Console.WriteLine(now.ToFileTimeUtc());       // 132101161167168138
		Console.WriteLine(now.ToLocalTime());         // 08/12/2019 21:41:56
		Console.WriteLine(now.ToLongDateString());    // Monday, 12 August 2019
		Console.WriteLine(now.ToLongTimeString());    // 21:41:56
		Console.WriteLine(now.ToOADate());            // 43689.9041286574
		Console.WriteLine(now.ToShortDateString());   // 08/12/2019
		Console.WriteLine(now.ToShortTimeString());   // 21:41
		Console.WriteLine(now.ToString());            // 08/12/2019 21:41:56
	}
}