//+-----------------------------------------------------------------------------------------------+
//| by Gilani                                                                                     |
//| currencyTimeZone - adjust to the timezone of the relevant currency.                           |
//| serverTimeZone - timezone of the source of data source feed (+1 Russian zone for MetaTrader)  |
//| blue bars represent open market hours                                                         | 
//| red  bars represent close mrket hours                                                         |
//|the bars grows according to the hours of the day                                               |
//+-----------------------------------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"
//----
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
extern int currencyTimeZone=-5;
extern string market="USA";
//----
int serverTimeZone=+1;
int marketOpensAt=8;
int marketClosesAt=16;
//----
double open[];
double close[];
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorBuffers(2);
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexBuffer(0,open);
   SetIndexLabel(0,"Blue");
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,close);
   SetIndexLabel(1,"Red");
//----
   IndicatorShortName("Trading Hours: "+market);
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars = IndicatorCounted();
   if(counted_bars < 0)  return(-1);
   if(counted_bars > 0)   counted_bars--;
   int limit = Bars - counted_bars;
   if(counted_bars==0) limit--;
//----
     for(int x=limit;x>=0;x--) 
     {
      int gmt=MathMod (24+TimeHour(Time[x])-serverTimeZone, 24);
      int hour=MathMod(24+currencyTimeZone+gmt, 24);
        if ((hour>=marketOpensAt) && (hour<=marketClosesAt)) 
        {
         if (hour==0) hour=24;
         open[x]=hour;
         close[x]=0;
         }
          else 
         {
         if (hour==0) hour=24;
         open[x]=0;
         close[x]= -hour;
        }
     }
//----     
   return(0);
  }
//+------------------------------------------------------------------+