<http://schema.org/openingHours>
"Mo 09:00-17:00, Tu 09:00-17:00, We 09:00-17:00, Th 09:00-17:00, Fr 09:00-17:00"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hellolucky.com/wordpress/2008/07/24/san-francisco-zine-fest-2>