diff --git a/library/include/mobilisis/time_range_header.h b/library/include/mobilisis/time_range_header.h
index e2ca2e8..4b82784 100644
--- a/library/include/mobilisis/time_range_header.h
+++ b/library/include/mobilisis/time_range_header.h
@@ -10,15 +10,58 @@ struct ATBTimeRange {
     int time_range_id;
     QTime time_range_from;
     QTime time_range_to;
+    int time_range_from_in_minutes_from_start;
+    int time_range_to_in_minutes_from_start;
+    int time_range_tbase_id;
+    int time_range_payment_type_id;
 
+    explicit ATBTimeRange()
+      : time_range_id(-1)
+      , time_range_from(QTime())
+      , time_range_to(QTime())
+      , time_range_from_in_minutes_from_start(-1)
+      , time_range_to_in_minutes_from_start(-1)
+      , time_range_tbase_id(-1)
+      , time_range_payment_type_id(-1) {
+    }
+
+    QTime const &getTimeFrom() const { return time_range_from; }
+    QTime const &getTimeUntil() const { return time_range_to; }
+
+    bool computeQTimeFrom(QTime const &t) {
+        if (time_range_from_in_minutes_from_start != -1) {
+            time_range_from = t.addSecs(time_range_from_in_minutes_from_start * 60);
+            return time_range_from.isValid();
+        }
+        return false;
+    }
+
+    bool computeQTimeTo(QTime const &t) {
+        if (time_range_to_in_minutes_from_start != -1) {
+            time_range_to = t.addSecs(time_range_to_in_minutes_from_start * 60);
+            return time_range_to.isValid();
+        }
+        return false;
+    }
+
+    bool computeQTimes(QTime const &t) {
+        if (!t.isNull() && t.isValid()) {
+            return computeQTimeFrom(t) && computeQTimeTo(t);
+        }
+        return false;
+    }
 
     friend QDebug operator<<(QDebug debug, ATBTimeRange const &timeRange) {
         QDebugStateSaver saver(debug);
 
         debug.nospace()
-            << "  time_range_id: " << timeRange.time_range_id << "\n"
-            << "time_range_from: " << timeRange.time_range_from.toString(Qt::ISODate) << "\n"
-            << "  time_range_to: " << timeRange.time_range_to.toString(Qt::ISODate) << "\n";
+            << "                          time_range_id: " << timeRange.time_range_id << "\n"
+            << "                        time_range_from: " << timeRange.time_range_from.toString(Qt::ISODate) << "\n"
+            << "                          time_range_to: " << timeRange.time_range_to.toString(Qt::ISODate) << "\n"
+            << "  time_range_from_in_minutes_from_start: " << timeRange.time_range_from_in_minutes_from_start << "\n"
+            << "    time_range_to_in_minutes_from_start: " << timeRange.time_range_to_in_minutes_from_start << "\n"
+            << "                    time_range_tbase_id: " << timeRange.time_range_tbase_id << "\n"
+            << "             time_range_payment_type_id: " << timeRange.time_range_payment_type_id << "\n";
 
         return debug;
     }