Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/dto/GBActivityGridRowDTO.java
===================================================================
diff -u -rea79f29aed5c764a223234e456442bc1e49fcf85 -r326536a361492c004c6747e17e096fd1dcff5254
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/dto/GBActivityGridRowDTO.java	(.../GBActivityGridRowDTO.java)	(revision ea79f29aed5c764a223234e456442bc1e49fcf85)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/dto/GBActivityGridRowDTO.java	(.../GBActivityGridRowDTO.java)	(revision 326536a361492c004c6747e17e096fd1dcff5254)
@@ -75,9 +75,10 @@
 		ret.add(rowName);
 	    }
 	    ret.add(status);
-	    ret.add((output != null) ? output.toString() : CELL_EMPTY);
+	    ret.add(output != null ? output.toString() : CELL_EMPTY);
 	    ret.add(competences);
-	    ret.add((timeTaken != null) ? convertTimeToString(timeTaken) : CELL_EMPTY);
+	    ret.add(startDate != null ? convertDateToString(startDate, DEFAULT_DATE_FORMAT) : CELL_EMPTY);
+	    ret.add(timeTaken != null ? convertTimeToString(timeTaken) : CELL_EMPTY);
 	    ret.add(feedback);
 	    
 	    ret.add(markToString());
Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java
===================================================================
diff -u -r1aed494b3b9aeb79f7837c12b15cd1330b3020fa -r326536a361492c004c6747e17e096fd1dcff5254
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision 1aed494b3b9aeb79f7837c12b15cd1330b3020fa)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision 326536a361492c004c6747e17e096fd1dcff5254)
@@ -1067,6 +1067,7 @@
 	}
 
 	// Setting status
+	gactivityDTO.setStartDate(getActivityStartDate(learnerProgress, activity));
 	gactivityDTO.setTimeTaken(getActivityDuration(learnerProgress, activity));
 	gactivityDTO.setStatus(getActivityStatusStr(learnerProgress, activity));
 
@@ -1100,14 +1101,6 @@
 			+ activity.getTool().getLearnerProgressUrl() + "&userID=" + learner.getUserId()
 			+ "&toolSessionID=" + toolSession.getToolSessionId().toString());
 		gactivityDTO.setOutput(this.getToolOutputsStr(activity, toolSession, learner));
-
-		if (activityState == LearnerProgress.ACTIVITY_ATTEMPTED) {
-		    gactivityDTO.setStartDate(learnerProgress.getAttemptedActivities().get(activity));
-		} else {
-		    if (learnerProgress.getCompletedActivities() != null && learnerProgress.getCompletedActivities().get(activity) != null) {
-			gactivityDTO.setStartDate(learnerProgress.getCompletedActivities().get(activity).getStartDate());
-		    }
-		}
 	    }
 	}
 
@@ -1126,7 +1119,9 @@
 	    startDate = learnerProgress.getAttemptedActivities().get(activity);
 	    if (startDate == null) {
 		CompletedActivityProgress compProg = learnerProgress.getCompletedActivities().get(activity);
-		startDate = compProg.getStartDate();
+		if (compProg != null) {
+		    startDate = compProg.getStartDate();
+		}
 	    }
 	}
 	return startDate;
Index: lams_gradebook/web/gradebookMonitor.jsp
===================================================================
diff -u -r1aed494b3b9aeb79f7837c12b15cd1330b3020fa -r326536a361492c004c6747e17e096fd1dcff5254
--- lams_gradebook/web/gradebookMonitor.jsp	(.../gradebookMonitor.jsp)	(revision 1aed494b3b9aeb79f7837c12b15cd1330b3020fa)
+++ lams_gradebook/web/gradebookMonitor.jsp	(.../gradebookMonitor.jsp)	(revision 326536a361492c004c6747e17e096fd1dcff5254)
@@ -133,7 +133,8 @@
 						     	"<fmt:message key="gradebook.columntitle.activity"/>",
 						     	"<fmt:message key="gradebook.columntitle.progress"/>",
 						     	"<fmt:message key="gradebook.columntitle.outputs"/>", 
-						     	"<fmt:message key="gradebook.columntitle.competences"/>", 
+						     	"<fmt:message key="gradebook.columntitle.competences"/>",
+						     	"<fmt:message key="gradebook.columntitle.startDate"/>",
 						     	"<fmt:message key="gradebook.columntitle.timeTaken"/>", 
 						     	"<fmt:message key="gradebook.columntitle.activityFeedback"/>", 
 						     	"<fmt:message key="gradebook.columntitle.mark"/>"
@@ -145,6 +146,7 @@
 								{name:'status',  index:'status', sortable:false, editable:false, width:50, align:"center"},
 								{name:'output',  index:'output', sortable:false, editable: false, width:200, hidden:true},
 								{name:'competences',  index:'competences', sortable:false, editable: false, hidden:true},
+								{name:'startDate', index:'startDate', sortable:true, editable: false, hidden:true, width:60, align:"center"},
 								{name:'timeTaken',index:'timeTaken', sortable:true, editable: false, width:80, align:"center"},
 								{name:'feedback',  index:'feedback', sortable:false, editable: true, edittype:'textarea', editoptions:{rows:'4',cols:'20'}, width:200, hidden:true},
 								{name:'mark', index:'mark', sortable:true, editable: true, editrules:{number:true}, width:50, align:"center" }