<https://lighthouse-sf.org/calendar/>
<http://schema.org/datePublished>
"2016-02-10T04:08:04+00:00"^^<http://schema.org/Date>
<https://lighthouse-sf.org/calendar/?time=day&yr=2020&month=10&cid=lighthouse-events&dy=4&mcat=2,18,22,6,21,20>