//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit() {
   return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason) {
}
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick() {
   // Calculate the time of the last 10:30 candle
   datetime when = GetOpenCloseSessionTime(TimeCurrent(), 10, 30);
   if (when == 0) {
      Print("Failed to calculate the candle time.");
      return;
   }

   // Find the bar index for the calculated time
   int whenbar = iBarShift(_Symbol, PERIOD_CURRENT, when);
   if (whenbar == -1) {
      Print("Failed to find the bar index for the given time.");
      return;
   }

   // Get the open price of the calculated bar
   double Openprice = iOpen(_Symbol, PERIOD_CURRENT, whenbar);
   if (Openprice == EMPTY_VALUE) {
      Print("Failed to retrieve the open price for the given bar.");
      return;
   }

   // Display the results on the chart
   Comment("Open Price: ", Openprice, "\nTime: ", TimeToString(when, TIME_DATE | TIME_MINUTES));
}
//+------------------------------------------------------------------+
//| Function to calculate the time of a specific candle             |
//+------------------------------------------------------------------+
datetime GetOpenCloseSessionTime(datetime now, int hour, int minute) {
   if (hour < 0 || hour > 23 || minute < 0 || minute > 59) {
      Print("Invalid hour or minute values. Hour must be between 0-23 and minute between 0-59.");
      return 0;
   }

   MqlDateTime nowStruct;
   TimeToStruct(now, nowStruct);

   nowStruct.sec = 0;
   datetime nowTime = StructToTime(nowStruct);

   nowStruct.hour = hour;
   nowStruct.min = minute;

   datetime prevTime = StructToTime(nowStruct);

   while (prevTime >= nowTime) {
      prevTime -= 86400; // Subtract one day
   }

   return prevTime;
}