// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002227/datetime-converttime

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        DateTime date = DateTime.Now;

        TimeZoneInfo tst = TimeZoneInfo.FindSystemTimeZoneById("Tokyo Standard Time");

​

        // C# Extension Method: DateTime - ConvertTime

        DateTime result = date.ConvertTime(tst);

        Console.WriteLine("Current Time in different time zones:\n");

​

        Console.WriteLine("{0}: {1}",TimeZoneInfo.Local, date);

        Console.WriteLine("{0}: {1}",tst, result);

    }

}