private async Task OrderTodayTimeApply_Entry(String time)
        {
            var now        = DateTime.Now;
            var parsedTime = DateTimeParser.ParseTime(time);
            var datetext   = $"{now:yyyy-MM-dd} {parsedTime}";

            this.dateTime = DateTime.ParseExact(datetext, "yyyy-MM-dd HH:mm", CultureInfo.InvariantCulture);
        }
 private Boolean IsValidTime(String time)
 {
     return(DateTimeParser.ParseTime(time) != null);
 }