<http://schema.org/openingHours>
"Mo 09:00-18:00, Tu 09:00-18:00, We 09:00-18:00, Th 09:00-18:00, Fr 09:00-18:00, Sa 09:00-18:00"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.punspace.com/events-/2015/2/26/first-edtech-meeting-in-chiang-mai>