=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java	2012-02-12 17:33:07 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/PeriodType.java	2012-03-07 18:00:12 +0000
@@ -235,9 +235,9 @@
      */
     public static final void clearTimeOfDay( Calendar calendar )
     {
-        calendar.clear( Calendar.MILLISECOND );
-        calendar.clear( Calendar.SECOND );
-        calendar.clear( Calendar.MINUTE );
+        calendar.set( Calendar.MILLISECOND, 0 );
+        calendar.set( Calendar.SECOND, 0 );
+        calendar.set( Calendar.MINUTE, 0 );
         calendar.set( Calendar.HOUR_OF_DAY, 0 );
     }