How insert Time Zone function in Igrok indicator?

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//+------------------------------------------------------------------+
//|                                                        Igrok.mq4 |
//|                                                   Andrei Andreev |
//|                                             http://www.andand.ru |
//+------------------------------------------------------------------+

// BASED ON:
//+------------------------------------------------------------------+
//|                                                   ^X_Sensors.mq4 |
//|                                                    Version 2.0.1 |
//|------------------------------------------------------------------|
//|                     Copyright © 2007, Mr.WT, Senior Linux Hacker |
//|                                     http://w-tiger.narod.ru/wk2/ |
//+------------------------------------------------------------------+
#property copyright "Andrei Andreev"
#property link      "http://www.andand.ru"

#property indicator_chart_window
extern int ForDays=10;
extern int _Shift = 20;
extern color _R_Color = Crimson;
extern color _S_Color = Gold;


int _N_Time,  _My_Period,  ObjectId;
string OBJECT_PREFIX = "LEVELS";
//-------------------------------------------------------------------------------------------
int init() {

_My_Period=PERIOD_D1;



_N_Time = 0;

ObjectCreate("S1 line", OBJ_TREND, 0, Time[_Shift], 0, Time[0], 0);

ObjectCreate("R1 line", OBJ_TREND, 0, Time[_Shift], 0, Time[0], 0);
ObjectCreate("R2 line", OBJ_TREND, 0, Time[_Shift], 0, Time[0], 0);



ObjectSet("S1 line", OBJPROP_RAY, 1);
ObjectSet("S1 line", OBJPROP_STYLE, STYLE_DASH);
ObjectSet("S1 line", OBJPROP_COLOR, _S_Color);


ObjectSet("R1 line", OBJPROP_RAY, 1);
ObjectSet("R1 line", OBJPROP_STYLE, STYLE_DASH);
ObjectSet("R1 line", OBJPROP_COLOR, _R_Color);

ObjectSet("R2 line", OBJPROP_RAY, 1);
ObjectSet("R2 line", OBJPROP_STYLE, STYLE_DASH);
ObjectSet("R2 line", OBJPROP_COLOR, _R_Color);






ObjectCreate("R1 label", OBJ_TEXT, 0, Time[0], 0);
ObjectCreate("R2 label", OBJ_TEXT, 0, Time[0], 0);

ObjectCreate("S1 label", OBJ_TEXT, 0, Time[0], 0);



ObjectId = 0;
return(0);
}
//-------------------------------------------------------------------------------------------
int deinit() {


ObjectDelete("R1 label");
ObjectDelete("R1 line");
ObjectDelete("R2 label");
ObjectDelete("R2 line");

ObjectDelete("S1 label");
ObjectDelete("S1 line");


ObDeleteObjectsByPrefix(OBJECT_PREFIX);
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {

if ( _N_Time == Time[0] ) return(0);

double open,close, high, low, koeff1, koeff2,P, R1, R2, S1;
double _rates[][6];
double AverageRange;

ArrayCopyRates(_rates, NULL, _My_Period);
int err = GetLastError();
if(err == 4066) {
  Sleep(1000);
  if(iClose(NULL, _My_Period, 0) != Close[0]) {
    Sleep(1000);
    return(0);
  }
}
close = _rates[1][4];
high = _rates[0][3];
low = _rates[0][2];
open = _rates[0][1];

AverageRange=0;
for (int i=1;i<ForDays+1;i++)
    {
    AverageRange=AverageRange+(_rates[i][3]-_rates[i][2])/Point;
    }
AverageRange=NormalizeDouble(AverageRange/ForDays,0); 

Comment("\nДиапазон:",
        "\nСегодня:  ",(high-low)/Point,
        "\nВчера:     ",(_rates[1][3]-_rates[1][2])/Point,
        "\nСредний:  ",AverageRange," за ",ForDays," дней");       

S1 =open;
R1 =low;
R2 =high;

 

string s1,r1,r2;

  s1 = DoubleToStr(S1, Digits);

  r1 = DoubleToStr(R1, Digits);
  r2 = DoubleToStr(R2, Digits);


  

//---- Pivot Lines
ObjectSetText("R1 label", "                          Min "+r1+"", 8, "Fixedsys", _R_Color);
ObjectSetText("R2 label", "                          Max "+r2+"", 8, "Fixedsys", _R_Color);
ObjectSetText("S1 label", "                        Open "+s1+"", 8, "Fixedsys", _S_Color);



ObjectMove("R1 label", 0, Time[0], R1);
ObjectMove("R2 label", 0, Time[0], R2);


ObjectMove("S1 label", 0, Time[0], S1);


ObjectMove("S1 line", 0, Time[_Shift], S1);
ObjectMove("S1 line", 1, Time[0], S1);




ObjectMove("R1 line", 0, Time[_Shift], R1);
ObjectMove("R1 line", 1, Time[0], R1);

ObjectMove("R2 line", 0, Time[_Shift], R2);
ObjectMove("R2 line", 1, Time[0], R2);


//====
   
_N_Time = Time[0];
//---- End Of Program
return(0);
}
//+------------------------------------------------------------------+



void ObDeleteObjectsByPrefix(string Prefix)
  {
   int L = StringLen(Prefix);
   int i = 0; 
   while(i < ObjectsTotal())
     {
       string ObjName = ObjectName(i);
       if(StringSubstr(ObjName, 0, L) != Prefix) 
         { 
           i++; 
           continue;
         }
       ObjectDelete(ObjName);
     }
  }
//-------------------------------------------------------------------------------------------