BP-787 changed weekday representation
diff --git a/oKBereitschaftsplanungBackend/src/main/java/org/eclipse/openk/sp/controller/reports/ReportController.java b/oKBereitschaftsplanungBackend/src/main/java/org/eclipse/openk/sp/controller/reports/ReportController.java
index e72d96e..3d0fd42 100644
--- a/oKBereitschaftsplanungBackend/src/main/java/org/eclipse/openk/sp/controller/reports/ReportController.java
+++ b/oKBereitschaftsplanungBackend/src/main/java/org/eclipse/openk/sp/controller/reports/ReportController.java
@@ -25,9 +25,11 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
+import java.util.GregorianCalendar;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Random;
@@ -353,11 +355,15 @@
 	}
 
 	public void calcReportStartDate(StandbyScheduleBody body) {
-		body.setStartDateStr(DateHelper.convertToLocalString(body.getValidFrom(), "EE. dd.MM.yy HH:mm"));
+		GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
+		calendar.setTime(body.getValidFrom());
+		body.setStartDateStr(DateHelper.convertToLocalString(calendar.getTime(), "EE. dd.MM.yy HH:mm"));
 	}
 
 	public void calcReportEndDate(StandbyScheduleBody body) {
-		body.setEndDateStr(DateHelper.convertToLocalString(body.getValidTo(), "EE. dd.MM.yy HH:mm"));
+		GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
+		calendar.setTime(body.getValidTo());
+		body.setEndDateStr(DateHelper.convertToLocalString(calendar.getTime(), "EE. dd.MM.yy HH:mm"));
 	}
 
 	public IReportEngine initialiseBirtEngine() {