Change start of week

html

<div id="calendar-target-01" style="width:300px;border:1px solid #888;padding: 10px;margin: 10px;"></div>

<script type="text/javascript">
    $(document.body).ready(function () {
        var today = new Date();
        new ax5.ui.calendar({
            startOfWeek: 1, // change start of week 1 : monday
            target: document.getElementById("calendar-target-01"),
            control: {
                left: '<i class="fa fa-chevron-left"></i>',
                right: '<i class="fa fa-chevron-right"></i>'
            },
            multipleSelect: 2,
            dimensions: {
                height: 300,
                controlHeight: 40,
                itemPadding: 1
            }
        });
    });
</script>