diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index 93f0814..24c40a4 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -844,6 +844,8 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
                 }
             }
 
+            qCritical() << __func__ << ":" << __LINE__ << "effectiveStartTime:" << effectiveStartTime.toString(Qt::ISODate);
+
             // handle carry over
             int minutesUntilCarryOver = effectiveStartTime.time().secsTo(carryOverStart) / 60;
             if (netto_parking_time > minutesUntilCarryOver) {
@@ -861,8 +863,7 @@ CalcState CALCULATE_LIBRARY_API compute_price_for_parking_ticket(
                                            end_parking_time.time().minute(), 0));
 
             qCritical() << __func__ << ":" << __LINE__ << "end-parking-time:" << end_parking_time.toString(Qt::ISODate);
-
-            weekDay = end_parking_time.date().dayOfWeek();
+            qCritical() << __func__ << ":" << __LINE__ << "        week-day:" << weekDay;
 
             for (auto[itr, rangeEnd] = tariff->WeekDays.equal_range((Qt::DayOfWeek)weekDay); itr != rangeEnd; ++itr) {
                 ATBWeekDay const &wd = itr->second;