using System;

namespace ConsoleApp13
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(GetLocalTime("1596865604"));

            Console.Read();
        }

        /// <summary>
        /// Unix轉換本地時間
        /// </summary>
        /// <param name="timeStamp">Unix時間戳</param>
        /// <returns></returns>
        public static DateTime GetLocalTime(string timeStamp)
        {
            long time = long.Parse(timeStamp + "0000000");
            DateTime start = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1, 0, 0, 0, 0));
            TimeSpan toCurrent = new TimeSpan(time);
            return start.Add(toCurrent);
        }
    }
}