How can i disable my past date from the current date. I check already the other threads but its not working in my codes.

```
<script>
$("#checkinDate").datetimepicker({
        format: "yyyy-mm-dd",
        startView: "month",
        minView: "month",
        autoclose: true,
        todayBtn: true
});
$("#checkoutDate").datetimepicker({
        format: "yyyy-mm-dd",
        startView: "month",
        minView: "month",
        autoclose: true,
        todayBtn: true
});
</script>

```