using System;
using System.Globalization;
using System.Linq;
public class Test
{
public static void Main()
{
TimeSpan ts = TimeSpan.FromDays(15791);
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Add(ts);
Console.WriteLine(epoch);
}
}
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