using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Testing
{
    class Program
    {
        static void Main(string[] args)
        {
            //2846034226
            TimeSpan ts0 = TimeSpan.FromSeconds(2846034226);

            DateTime d1 = new DateTime(1601, 1, 1,0,0,0);
            DateTime d2 = new DateTime(1970, 1, 1);
            DateTime d3 = new DateTime(2000, 1, 1,0,0,0);
            TimeSpan ts1 = d2.Subtract(d1);
            TimeSpan ts2 = d3.Subtract(d1);

            System.Diagnostics.Debug.WriteLine($" 1970 {ts1.TotalSeconds}");
            System.Diagnostics.Debug.WriteLine($" 2000 {ts2.TotalSeconds}");
            //125911584000000000

            //DateTime d4 = new DateTime(2022, 02, 19,2,49,38);
            DateTime d4 = new DateTime(2000, 1, 1);
            DateTime d5 = d4.AddSeconds(703076180);
            DateTime d6 = d4.AddSeconds(-284603422);
            DateTime d7 = d4.AddSeconds(-28460342);
            DateTime d8 = d4.AddSeconds(-2846034);
        }
    }
}