<http://schema.org/openingHours>
"Mo 10:00-17:00, We 10:00-17:00, Th 10:00-20:30, Fr 10:00-17:00, Sa 10:00-17:00, Su 11:30-15:00"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.thewarmewe.com/tips-techniques/how-much-yarn-do-i-need>