using System;

public class Program

{

    public static void Main()

    {

                // Input date with known timezone

        DateTime inputDate = new DateTime(2023, 8, 10, 12, 4, 0);

​

        // Known timezone (replace with your desired timezone)

        TimeZoneInfo sourceTimeZone = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");

​

        // Convert to UTC

        DateTime utcDate = TimeZoneInfo.ConvertTimeToUtc(inputDate, sourceTimeZone);

​

        DateTime tzDate = TimeZoneInfo.ConvertTimeFromUtc(utcDate, sourceTimeZone);

​

​

        Console.WriteLine("Input Date: " + inputDate);

        Console.WriteLine("UTC Date: " + utcDate);

        Console.WriteLine("TZ Date: " + tzDate);

    }

}