// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002229/datetime-converttimefromutc

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        DateTime timeUtc = DateTime.UtcNow;

        try

        {

            TimeZoneInfo cstZone = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time");

            // C# Extension Method: DateTime  - ConvertTimeFromUtc

            DateTime cstTime = timeUtc.ConvertTimeFromUtc(cstZone);

            Console.WriteLine("The date and time are {0} {1}.", cstTime, cstZone.StandardName);

        }

        catch (TimeZoneNotFoundException)

        {

            Console.WriteLine("The registry does not define the Central Standard Time zone.");

        }

        catch (InvalidTimeZoneException)

        {

            Console.WriteLine("Registry data on the Central Standard Time zone has been corrupted.");

        }

​

    }

}