<http://schema.org/startDate>
"2014-08-21T17:00:00+00:00"^^<http://schema.org/Date>
<http://ecologycenter.org/events/remind-me-tell-a-friend-add-to-my-google-calendar-bcal-download-to-my-calendar-bookmark-and-shareshare-botanical-art-summer-flowers-with-catherine-watters/>