diff --git a/apps/calendar/ajax/moveevent.php b/apps/calendar/ajax/moveevent.php
new file mode 100644
index 0000000000000000000000000000000000000000..d18c25eb517b2c7c342f9b2242ce8567b42a067b
--- /dev/null
+++ b/apps/calendar/ajax/moveevent.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Copyright (c) 2011 Georg Ehrke <ownclouddev at georgswebsite dot de>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+error_reporting(E_ALL);
+require_once('../../../lib/base.php');
+OC_JSON::checkLoggedIn();
+$data = OC_Calendar_Object::find($_POST["id"]);
+$calendarid = $data["calendarid"];
+$cal = $calendarid;
+$id = $_POST["id"];
+$calendar = OC_Calendar_Calendar::findCalendar($calendarid);
+if(OC_User::getUser() != $calendar["userid"]){
+	OC_JSON::error();
+	exit;
+}
+$newdate = $_POST["newdate"];
+$caldata = array();
+//modified part of editeventform.php
+$object = Sabre_VObject_Reader::read($data['calendardata']);
+$vevent = $object->VEVENT;
+$dtstart = $vevent->DTSTART;
+$dtend = OC_Calendar_Object::getDTEndFromVEvent($vevent);
+switch($dtstart->getDateType()) {
+	case Sabre_VObject_Element_DateTime::LOCALTZ:
+	case Sabre_VObject_Element_DateTime::LOCAL:
+		$startdate = $dtstart->getDateTime()->format('d-m-Y');
+		$starttime = $dtstart->getDateTime()->format('H:i');
+		$enddate = $dtend->getDateTime()->format('d-m-Y');
+		$endtime = $dtend->getDateTime()->format('H:i');
+		$allday = false;
+		break;
+	case Sabre_VObject_Element_DateTime::DATE:
+		$startdate = $dtstart->getDateTime()->format('d-m-Y');
+		$starttime = '00:00';
+		$dtend->getDateTime()->modify('-1 day');
+		$enddate = $dtend->getDateTime()->format('d-m-Y');
+		$endtime = '23:59';
+		$allday = true;
+		break;
+}
+$caldata["title"] = isset($vevent->SUMMARY) ? $vevent->SUMMARY->value : '';
+$caldata["location"] = isset($vevent->LOCATION) ? $vevent->LOCATION->value : '';
+$caldata["categories"] = array();
+if (isset($vevent->CATEGORIES)){
+       $caldata["categories"] = explode(',', $vevent->CATEGORIES->value);
+       $caldata["categories"] = array_map('trim', $categories);
+}
+foreach($caldata["categories"] as $category){
+	if (!in_array($category, $category_options)){
+		array_unshift($category_options, $category);
+	}
+}
+$caldata["repeat"] = isset($vevent->CATEGORY) ? $vevent->CATEGORY->value : '';
+$caldata["description"] = isset($vevent->DESCRIPTION) ? $vevent->DESCRIPTION->value : '';
+//end part of editeventform.php
+$startdatearray = explode("-", $startdate);
+$starttimearray = explode(":", $starttime);
+$startunix = mktime($starttimearray[0], $starttimearray[1], 0, $startdatearray[1], $startdatearray[0], $startdatearray[2]);
+$enddatearray = explode("-", $enddate);
+$endtimearray = explode(":", $endtime);
+$endunix = mktime($endtimearray[0], $endtimearray[1], 0, $enddatearray[1], $enddatearray[0], $enddatearray[2]);
+$difference = $endunix - $startunix;echo $difference . "\n";
+if(strlen($newdate) > 10){
+	$newdatestringarray = explode("-", $newdate);
+	if($newdatestringarray[1] == "allday"){
+		$allday = true;
+		$newdatestringarray[1] = "00:00";
+	}
+}else{
+	$newdatestringarray = array();
+	$newdatestringarray[0] = $newdate;
+	$newdatestringarray[1] = $starttime;
+}
+$newdatearray = explode(".", $newdatestringarray[0]);
+$newtimearray = explode(":", $newdatestringarray[1]);
+$newstartunix = mktime($newtimearray[0], $newtimearray[1], 0, $newdatearray[1], $newdatearray[0], $newdatearray[2]);
+$newendunix = $newstartunix + $difference;
+if($allday == true){
+	$caldata["allday"] = true;
+}else{
+	unset($caldata["allday"]);
+}
+$caldata["from"] = date("d-m-Y", $newstartunix);
+$caldata["fromtime"] = date("H:i", $newstartunix); echo $caldata["fromtime"];
+$caldata["to"]  = date("d-m-Y", $newendunix);
+$caldata["totime"] = date("H:i", $newendunix); echo $caldata["totime"];
+//modified part of editevent.php
+$vcalendar = Sabre_VObject_Reader::read($data["calendardata"]);
+OC_Calendar_Object::updateVCalendarFromRequest($caldata, $vcalendar);
+
+$result = OC_Calendar_Object::edit($id, $vcalendar->serialize());
+OC_JSON::success();
+//end part of editevent.php
+?>
\ No newline at end of file
diff --git a/apps/calendar/js/calendar.js b/apps/calendar/js/calendar.js
index 554d1f1b0a4bdf30bc30498c20bde215a4ac1556..79689fbf8591b8cf4287d0ccced0f1c09e827933 100644
--- a/apps/calendar/js/calendar.js
+++ b/apps/calendar/js/calendar.js
@@ -155,6 +155,7 @@ Calendar={
 				Calendar.UI.updateView()
 			});
 		},
+		drageventid: '',
 		updateDate:function(direction){
 			if(direction == 'forward' && this.current.forward) {
 				this.current.forward();
@@ -247,6 +248,11 @@ Calendar={
 				.data('event_info', event)
 				.hover(this.createEventPopup,
 				       this.hideEventPopup)
+				.draggable({
+					drag: function() {
+						Calendar.UI.drageventid = event.id;
+					}
+				})
 				.click(this.editEvent);
 			var color = this.calendars[event['calendarid']]['color'];
 			if (color){
@@ -360,6 +366,12 @@ Calendar={
 					}
 				},"json");
 		},
+		moveevent:function(eventid, newstartdate){
+			$.post(OC.filePath('calendar', 'ajax', 'moveevent.php'), { id: eventid, newdate: newstartdate},
+			function(data) {
+				console.log("Event moved successfully");
+			});
+		},
 		showadvancedoptions:function(){
 			$("#advanced_options").css("display", "block");
 			$("#advanced_options_button").css("display", "none");
@@ -548,6 +560,22 @@ Calendar={
 				var today = new Date();
 				for(var i = 0; i <= 6; i++){
 					$("#oneweekview th." + Calendar.UI.weekdays[i]).html(Calendar.UI.formatDayShort((i+Calendar.firstdayofweek)%7) + Calendar.space + dates[i].getDate() + Calendar.space + Calendar.UI.formatMonthShort(dates[i].getMonth()));
+					$("#oneweekview td." + Calendar.UI.weekdays[i] + ".allday").attr('title', dates[i].getDate() + "." + String(parseInt(dates[i].getMonth()) + 1) + "." + dates[i].getFullYear() + "-" + "allday");
+					$("#oneweekview td." + Calendar.UI.weekdays[i] + ".allday").droppable({
+						drop: function() {
+							Calendar.UI.moveevent(Calendar.UI.drageventid, this.title);
+							Calendar.UI.loadEvents();
+						}
+					});
+					for(var ii = 0;ii <= 23; ii++){
+						$("#oneweekview td." + Calendar.UI.weekdays[i] + "." + String(ii)).attr('title', dates[i].getDate() + "." + String(parseInt(dates[i].getMonth()) + 1) + "." + dates[i].getFullYear() + "-" + String(ii) + ":00");
+						$("#oneweekview td." + Calendar.UI.weekdays[i] + "." + String(ii)).droppable({
+							drop: function() {
+								Calendar.UI.moveevent(Calendar.UI.drageventid, this.title);
+								Calendar.UI.loadEvents();
+							}
+						});
+					}
 					if(dates[i].getDate() == today.getDate() && dates[i].getMonth() == today.getMonth() && dates[i].getFullYear() == today.getFullYear()){
 						$("#oneweekview ." + Calendar.UI.weekdays[i]).addClass("thisday");
 					}
@@ -724,6 +752,13 @@ Calendar={
 					var month = dates[i].getMonth();
 					var year = dates[i].getFullYear();
 					$("#onemonthview .week_" + week + " ." + Calendar.UI.weekdays[weekday] + " .dateinfo").html(dayofmonth + Calendar.space + Calendar.UI.formatMonthShort(month));
+					$("#onemonthview .week_" + week + " ." + Calendar.UI.weekdays[weekday]).attr('title', dayofmonth + "." + String(parseInt(month) + 1) + "." + year);
+					$("#onemonthview .week_" + week + " ." + Calendar.UI.weekdays[weekday]).droppable({
+						drop: function() {
+							Calendar.UI.moveevent(Calendar.UI.drageventid, this.title);
+							Calendar.UI.loadEvents();
+						}
+					});
 					if(dayofmonth == today.getDate() && month == today.getMonth() && year == today.getFullYear()){
 						$("#onemonthview .week_" + week + " ." + Calendar.UI.weekdays[weekday]).addClass('thisday');
 					}