selectable String (default: "single")

By default user is able to select a single date. The property can also be set to multiple or range. More information about the different selection modes can be found in the Selection article.

Example - enable the multiple selection

<div id="calendar"></div>
<script>
    $("#calendar").kendoCalendar({
        selectable: "multiple"
    });
</script>

Check Selection for a live demo.