Structuring code into files

Experts/EA_ICT_CL/Sessions.mqh

@@ -0,0 +1,25 @@
+#ifndef EA_ICT_CL__SESSIONS_MQH
+#define EA_ICT_CL__SESSIONS_MQH
+
+// Module: Sessions
+// Time/session filters live here (UTC-based if your EA uses UTC inputs).
+
+inline bool IsHourInRange(const int hour, const int start_hour, const int end_hour)
+{
+  // Handles normal and overnight windows:
+  // - start < end:  [start, end)
+  // - start > end:  [start, 24) U [0, end)
+  if (start_hour == end_hour) return true;
+  if (start_hour < end_hour)  return (hour >= start_hour && hour < end_hour);
+  return (hour >= start_hour || hour < end_hour);
+}
+
+inline int GetUTCHour(const datetime t)
+{
+  MqlDateTime dt;
+  TimeToStruct(t, dt);
+  return dt.hour;
+}
+
+#endif // EA_ICT_CL__SESSIONS_MQH
+