public PacificDateTime AddSeconds(double value)
        {
            var dt = DateTime.Parse(Value);

            dt = dt.AddSeconds(value);
            return(PacificDateTime.Convert(dt.ToUniversalTime()));
        }
        public PacificDateTime AddYears(int value)
        {
            var dt = DateTime.Parse(Value);

            dt = dt.AddYears(value);
            return(PacificDateTime.Convert(dt.ToUniversalTime()));
        }
        public PacificDateTime AddMonths(int months)
        {
            var dt = DateTime.Parse(Value);

            dt = dt.AddMonths(months);
            return(PacificDateTime.Convert(dt.ToUniversalTime()));
        }