Collect custom post in a calendar

I think the missing piece to this is; where does your data currently live? If you have an endpoint for the JSON then parsing via jQuery is pretty straightforward.

<script>
    jQuery.getJSON ({
        url: 'https://raw.githubusercontent.com/philipehsing/jQuery.Simple-Event-Calendar/master/demo/data/events.json',
    })
    .done (function(data) {
        for (var i in data.events) {
            var event = data.events[i];
            var date = event.month + "https://wordpress.stackexchange.com/" + event.day + "https://wordpress.stackexchange.com/" + event.year;
            console.log (event.title + " is on " + date);
        }
    })
</script>

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