System.CurrentSystemTimeZone.GetUtcOffset C# (CSharp) 메소드

        public override TimeSpan GetUtcOffset(DateTime time) {
            if (time.Kind == DateTimeKind.Utc) {
                return TimeSpan.Zero;
            }
            else {
                return new TimeSpan(TimeZone.CalculateUtcOffset(time, GetDaylightChanges(time.Year)).Ticks + m_ticksOffset);                    
            }
        }