Schema.org可用性每天结束

Question

有没有办法每天设置availabilityEnds？

"offers": {
  "@type": "Offer",
  "availabilityStarts": "T17:00",
  "availabilityEnds": ["D6T22:00", "D7T22:00", "D1T21:00", "D2T21:00", "D3T21:00", "D4T21:00", "D5T21:00"]
},

ISO 8601的格式是否正确？所以＆＃34; D6T22：00＆＃34;每个星期六晚上10点？