diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index a432eb2..7cf3446 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -149,6 +149,10 @@ int CALCULATE_LIBRARY_API compute_product_price(Configuration const *cfg,
                 QTime const &startTime = p.getTimeStart();
                 QTime const &endTime = p.getTimeEnd();
 
+                // qCritical() << __LINE__ << startTime.toString(Qt::ISODate);
+                // qCritical() << __LINE__ << endTime.toString(Qt::ISODate);
+                // qCritical() << __LINE__ << start.toString(Qt::ISODate);
+
                 if (start.time() >= startTime && start.time() < endTime) {
                     product_price = p.getProductPrice();
                     if (productStart && productEnd) {
@@ -512,10 +516,16 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
             calcState = Calculator::GetInstance().isParkingAllowed(tariff, start_parking_time,
                                                                    netto_parking_time, paymentOptionIndex);
             if (calcState.getStatus() == CalcState::State::OUTSIDE_ALLOWED_PARKING_TIME) {
+                // qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                //             << calcState.toString();
                 return calcState;
             }
             cost = Calculator::GetInstance().GetCostFromDuration(tariff, start_parking_time, netto_parking_time, paymentOptionIndex);
             end_parking_time = start_parking_time.addSecs(netto_parking_time*60);
+
+            // qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+            //             << "end_parking_time" << end_parking_time.toString(Qt::ISODate);
+
         } else {
             cost = Calculator::GetInstance().GetCostFromDuration(
                         tariff,