Close

<input id="timepicker" />
<script>
$("#timepicker").kendoTimePicker({
    close: function(e) {
        e.preventDefault(); //prevent popup closing
    }
});
</script>

<input id="timepicker" />
<script>
$("#timepicker").kendoTimePicker();

var timepicker = $("#timepicker").data("kendoTimePicker");

timepicker.bind("close", function(e) {
    e.preventDefault(); //prevent popup closing
});
</script>