diff --git a/src/common/DayEventRenderer.js b/src/common/DayEventRenderer.js
index 56a8818..f8f3301 100644
--- a/src/common/DayEventRenderer.js
+++ b/src/common/DayEventRenderer.js
@@ -392,7 +392,7 @@ function DayEventRenderer() {
 								c = Math.max(minCell.col, c);
 							}
 						}
-						dayDelta = (r * colCnt + c*dis+dit) - (origCell.row * colCnt + origCell.col*dis+dit);
+						dayDelta = (r*7 + c*dis+dit) - (origCell.row*7 + origCell.col*dis+dit);
 						var newEnd = addDays(eventEnd(event), dayDelta, true);
 						if (dayDelta) {
 							eventCopy.end = newEnd;
diff --git a/tests/issue_740_event_resizing.html b/tests/issue_740_event_resizing.html
new file mode 100644
index 0000000..566f322
--- /dev/null
+++ b/tests/issue_740_event_resizing.html
@@ -0,0 +1,94 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+<head>
+<script type='text/javascript' src='../src/_loader.js?debug'></script>
+<script type='text/javascript'>
+
+	$(document).ready(function() {
+	
+		var date = new Date();
+		var d = date.getDate();
+		var m = date.getMonth();
+		var y = date.getFullYear();
+		
+		$('#calendar').fullCalendar({
+			header: {
+				left: 'prev,next today',
+				center: 'title',
+				right: 'month,agendaWeek,basicWeek,agendaDay,basicDay'
+			},
+			weekends: false,
+			//firstDay: 1,
+			isRTL: true,
+			editable: true,
+			events: [
+				{
+					title: 'All Day Event',
+					start: new Date(y, m, 1)
+				},
+				{
+					title: 'Long Event',
+					start: new Date(y, m, d-5),
+					end: new Date(y, m, d-2)
+				},
+				{
+					id: 999,
+					title: 'Repeating Event',
+					start: new Date(y, m, d-3, 16, 0),
+					allDay: false
+				},
+				{
+					id: 999,
+					title: 'Repeating Event',
+					start: new Date(y, m, d+4, 16, 0),
+					allDay: false
+				},
+				{
+					title: 'Meeting',
+					start: new Date(y, m, d, 10, 30),
+					allDay: false
+				},
+				{
+					title: 'Lunch',
+					start: new Date(y, m, d, 12, 5),
+					end: new Date(y, m, d, 14, 43),
+					allDay: false
+				},
+				{
+					title: 'Birthday Party',
+					start: new Date(y, m, d+1, 19, 0),
+					end: new Date(y, m, d+1, 22, 30),
+					allDay: false
+				},
+				{
+					title: 'Click for Google',
+					start: new Date(y, m, 28),
+					end: new Date(y, m, 29),
+					url: 'http://google.com/'
+				}
+			]
+		});
+		
+	});
+
+</script>
+<style type='text/css'>
+
+	body {
+		margin-top: 40px;
+		text-align: center;
+		font-size: 13px;
+		font-family: "Lucida Grande",Helvetica,Arial,Verdana,sans-serif;
+		}
+
+	#calendar {
+		width: 900px;
+		margin: 0 auto;
+		}
+
+</style>
+</head>
+<body>
+<div id='calendar'></div>
+</body>
+</html>
