using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        DateTime utcTime = DateTime.UtcNow;

TimeSpan offset = new TimeSpan(-5, 0, 0);

DateTime localTime = utcTime + offset;

CultureInfo culture = new CultureInfo("fr-FR");

Console.WriteLine(localTime.ToString("g", culture));

​

    }

}