public static void Main()
DateTimeOffset dtn = DateTimeOffset.Now;
var dateFormat = "dd/MM/yyyy HH:mm";
var x = dtn.ToString(dateFormat);
Console.WriteLine("=========================================================================");
var info = TimeZoneInfo.FindSystemTimeZoneById("SE Asia Standard Time");
DateTimeOffset localServerTime = DateTimeOffset.Now;
DateTimeOffset localTime = TimeZoneInfo.ConvertTime(localServerTime, info);
Console.WriteLine("localServerTime {0}, localTime {1}",localServerTime,localTime.ToString(dateFormat));
Console.WriteLine("localServerTime {0}",localServerTime.ToString(dateFormat));
Console.WriteLine("localTime {0}",localTime.ToString(dateFormat));
Console.WriteLine("=========================================================================");