Wrong Time Display, it return always 12:30 Pm

See more:

DateTime

in the code i am create a function to convert USA date time to "India Standard Time". when i am convert date Time, date is display correct but time always return 12:30 PM. can anybody help me ??

Code are given below

public string getDateTime(string dat, string format)
       {
           string _ret = "";
           try
           {
               DateTime dt = Convert.ToDateTime(dat);
               string serverlocal = "Pacific Standard Time";// TimeZoneInfo.Local.Id;
               string clientLocal = Convert.ToString(HttpContext.Current.Session["TZ"]);
               _ret = TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt, serverlocal, clientLocal).ToString(format);
           }
           catch (Exception ex)
           {

           }
           return _ret;
       }

string dat = getDatetime("2014/07/14 19:35:00","hh:mm tt");

always return 12:30PM

On localhost run fine, but on server time always 12:30PM
application are hosted on USA server
Please help me