using System;

using GeoTimeZone;

​

namespace Program

{

    public static class Program

    {

        public static void Main(string[] args)

        {

            var laTZ = TimeZoneLookup.GetTimeZone(34.0522, -118.243683).Result;

​

            var tz = TimeZoneInfo.FindSystemTimeZoneById(laTZ);

            var offset = tz.GetUtcOffset(DateTime.Now);

            Console.WriteLine(tz);

            Console.WriteLine(offset);

            Console.WriteLine(DateTime.Now.GetLocalPropertyTime(offset));

​

            var nyTZ = TimeZoneLookup.GetTimeZone(40.7128, -74.0060).Result;

            tz = TimeZoneInfo.FindSystemTimeZoneById(nyTZ);

            offset = tz.GetUtcOffset(DateTime.Now);

            Console.WriteLine(tz);

            Console.WriteLine(offset);

            Console.WriteLine(DateTime.Now.GetLocalPropertyTime(offset));

​

            var germanyTZ = TimeZoneLookup.GetTimeZone(51.1657, 10.4515).Result;

            tz = TimeZoneInfo.FindSystemTimeZoneById(germanyTZ);

            offset = tz.GetUtcOffset(DateTime.Now);

            Console.WriteLine(tz);

            Console.WriteLine(offset);

            Console.WriteLine(DateTime.Now.GetLocalPropertyTime(offset));

        }

        public static DateTime GetLocalPropertyTime(this DateTime dateTime, TimeSpan offset)

        {

            return DateTime.Now.Add(offset);

        }

    }

}