time_trading

//+------------------------------------------------------------------+
//|                                                 time_trading.mq4 |
//+------------------------------------------------------------------+
#property library
#property version "1.81"

extern string wt_set="Work time settings";
extern bool use_work_time=false;
extern string start1= "08:00";
extern string stop1 = "16:00";
extern string start2= "";
extern string stop2 = "";
extern string start3= "";
extern string stop3 = "";

int prev_bars;
datetime start_1,stop_1,start_2,stop_2,start_3,stop_3;
///////////////////////////////////////////////
void OnInit()
  {
//work time
   if(use_work_time) prev_bars=0;

  }
/////////////////////////////////////////////////////////////////
bool work_time_f()
  {
//no use WT
   if(!use_work_time) return(true);

//time current
   datetime time_current=TimeCurrent();

//new day
   if(iBars(Symbol(),PERIOD_H1)!=prev_bars)
     {
      prev_bars=iBars(Symbol(),PERIOD_H1);

      start_1=StringToTime(start1);
      stop_1=StringToTime(stop1);
      start_2=StringToTime(start2);
      stop_2=StringToTime(stop2);
      start_3=StringToTime(start3);
      stop_3=StringToTime(stop3);
     }

   if(//main
      (start_1==stop_1 ||  ((start_1<stop_1 && (time_current<start_1 || time_current>stop_1)) || (start_1>stop_1 && (time_current<start_1 && time_current>stop_1))))
      && (start_2==stop_2 ||  ((start_2<stop_2 && (time_current<start_2 || time_current>stop_2)) || (start_2>stop_2 && (time_current<start_2 && time_current>stop_2))))
      && (start_3==stop_3 ||  ((start_3<stop_3 && (time_current<start_3 || time_current>stop_3)) || (start_3>stop_3 && (time_current<start_3 && time_current>stop_3))))

      ) return(false);

//if work time ok
   return (true);
  }
//+------------------------------------------------------------------+