using System.Globalization;
public static void Main()
long dateTimeTicks = 637314588165245627;
DateTime dateTime = new DateTime(dateTimeTicks);
Console.WriteLine("ShortDatePattern: " + CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern);
Console.WriteLine("ShortTimePattern: " + CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern);
Console.WriteLine(dateTime.ToString());
Console.WriteLine(dateTime.ToString(CultureInfo.CurrentCulture));
Console.WriteLine(dateTime.ToString(CultureInfo.InvariantCulture));
Console.WriteLine(dateTime.ToString(CultureInfo.InstalledUICulture));
Console.WriteLine(dateTime.ToShortDateString());
Console.WriteLine(dateTime.ToLongDateString());
Console.WriteLine(dateTime.ToShortTimeString());
Console.WriteLine(dateTime.ToLongTimeString());
Console.WriteLine(dateTime.ToString("d"));
Console.WriteLine(dateTime.ToString("dd"));
Console.WriteLine(dateTime.ToString("ddd"));
Console.WriteLine(dateTime.ToString("dddd"));
Console.WriteLine(dateTime.ToString("ddddd"));
Console.WriteLine(dateTime.ToString("d"));
Console.WriteLine(dateTime.ToString("D"));
Console.WriteLine(dateTime.ToString("f"));
Console.WriteLine(dateTime.ToString("F"));
Console.WriteLine(dateTime.ToString("g"));
Console.WriteLine(dateTime.ToString("G"));
Console.WriteLine(dateTime.ToString("m"));
Console.WriteLine(dateTime.ToString("o"));
Console.WriteLine(dateTime.ToString("r"));
Console.WriteLine(dateTime.ToString("s"));
Console.WriteLine(dateTime.ToString("t"));
Console.WriteLine(dateTime.ToString("T"));
Console.WriteLine(dateTime.ToString("u"));
Console.WriteLine(dateTime.ToString("U"));
Console.WriteLine(dateTime.ToString("y"));