{
  "example-sch-usage-7:recurrence-time-zone-with-periods": {
    "recurrence-first": {
      "start-time": "2025-12-01T09:00:00",
      "duration": "PT00:15:00"
    },
    "time-zone-identifier": "America/New_York",
    "frequency": "ietf-schedule:minutely",
    "interval": 30,
    "until": "2025-12-01T17:00:00Z",
    "period": [
      {
        "period-start": "2025-12-01T18:00:00",
        "duration": "PT00:20:00"
      },
      {
        "period-start": "2025-12-01T18:30:00",
        "duration": "PT00:20:00"
      }
    ]
  }
}