using System;

public class Program

{

    public static void Main()

    {

        DateTime currentTime = DateTime.UtcNow;

        TimeSpan t = currentTime - new DateTime(1970, 1, 1);

        Int64 millisecondsSinceEpoch = (Int64)t.TotalSeconds * 1000;

        Int64 weirdTerm =  ((millisecondsSinceEpoch + (Int64)0xFFFFFFFF) % (Int64)0xFFFFFFFF);

        Console.WriteLine(weirdTerm);

        Int64 millisecondsSinceLastEpochIteration = millisecondsSinceEpoch + (Int64)0xFFFFFFFF - weirdTerm;

        Console.WriteLine("Current Cast Cycle");

        Console.WriteLine("Cast Time Starts: " + DateTimeOffset.FromUnixTimeMilliseconds(millisecondsSinceLastEpochIteration - (Int64)0xFFFFFFFF).UtcDateTime);

        Console.WriteLine("Channel Time Appears: " + DateTimeOffset.FromUnixTimeMilliseconds(millisecondsSinceLastEpochIteration - (Int64)0x7FFFFFFF).UtcDateTime);

        Console.WriteLine("Channel Time Ends: " + DateTimeOffset.FromUnixTimeMilliseconds(millisecondsSinceLastEpochIteration).UtcDateTime);

    }

}