diff --git a/backend/src/main/java/ch/puzzle/okr/util/quarter/generate/h2/QuarterFunction.java b/backend/src/main/java/ch/puzzle/okr/util/quarter/generate/h2/QuarterFunction.java
index d8c663576c..fec72a232a 100644
--- a/backend/src/main/java/ch/puzzle/okr/util/quarter/generate/h2/QuarterFunction.java
+++ b/backend/src/main/java/ch/puzzle/okr/util/quarter/generate/h2/QuarterFunction.java
@@ -2,6 +2,8 @@
 
 import ch.puzzle.okr.util.quarter.generate.QuarterData;
 import ch.puzzle.okr.util.quarter.generate.Quarters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Component;
 
@@ -21,6 +23,7 @@ public class QuarterFunction {
     public static final int NEXT_QUARTER_DB_ID = 3;
 
     private static final Map<Integer, QuarterData> QUARTERS = new HashMap<>();
+    private static final Logger logger = LoggerFactory.getLogger(QuarterFunction.class);
 
     public static void initQuarterData() {
         LocalDate now = LocalDate.now();
@@ -37,27 +40,40 @@ private static void registerCurrentQuarterForDate(LocalDate date, int dbId) {
     }
 
     public static String currentQuarterLabel() {
-        return QUARTERS.get(CURRENT_QUARTER_DB_ID).label();
+        var label = QUARTERS.get(CURRENT_QUARTER_DB_ID).label();
+        logger.info("currentQuarterLabel    : {}", label);
+        return label;
+
     }
 
     public static String currentQuarterStartDate() {
-        return QUARTERS.get(CURRENT_QUARTER_DB_ID).startDateAsIsoString();
+        var start = QUARTERS.get(CURRENT_QUARTER_DB_ID).startDateAsIsoString();
+        logger.info("currentQuarterStartDate: {}", start);
+        return start;
     }
 
     public static String currentQuarterEndDate() {
-        return QUARTERS.get(CURRENT_QUARTER_DB_ID).endDateAsIsoString();
+        var end = QUARTERS.get(CURRENT_QUARTER_DB_ID).endDateAsIsoString();
+        logger.info("currentQuarterEndDate  : {}", end);
+        return end;
     }
 
     public static String nextQuarterLabel() {
-        return QUARTERS.get(NEXT_QUARTER_DB_ID).label();
+        var label = QUARTERS.get(NEXT_QUARTER_DB_ID).label();
+        logger.info("nextQuarterLabel       : {}", label);
+        return label;
     }
 
     public static String nextQuarterStartDate() {
-        return QUARTERS.get(NEXT_QUARTER_DB_ID).startDateAsIsoString();
+        var start = QUARTERS.get(NEXT_QUARTER_DB_ID).startDateAsIsoString();
+        logger.info("nextQuarterStartDate   : {}", start);
+        return start;
     }
 
     public static String nextQuarterEndDate() {
-        return QUARTERS.get(NEXT_QUARTER_DB_ID).endDateAsIsoString();
+        var end = QUARTERS.get(NEXT_QUARTER_DB_ID).endDateAsIsoString();
+        logger.info("nextQuarterEndDate     : {}", end);
+        return end;
     }
 
 }