Daylight time value calculate in Sharepoint and Asp.Net

Below is the code to get the Daylight time . Method public static DateTime GetZoneBasedDateTime(TimezoneName zone) { try { string strzoneId = GetEnumStringValue(zone); var dt = DateTime.UtcNow; var tz = TimeZoneInfo.FindSystemTimeZoneById(strzoneId); var utcOffset = new DateTimeOffset(dt, TimeSpan.Zero); DateTime dtResult = utcOffset.ToOffset(tz.GetUtcOffset(utcOffset)).DateTime; return dtResult; } catch (Exception ex) { WriteLogToFile("GetZoneTime(TimZoneName zone)", ex.Message, null, true); return DateTime.MinValue; } } } Enum public enum TimezoneName { [StringValueAttribute("Singapore Standard Time")] Asia = 1, [StringValueAttribute("W. Europe Standard Time")] Geneva = 2, [StringValueAttribute("Central Standard Time")] Hoston = 3, [StringValueAttribute("None")] None = 0 }