{
  "model": {
    "type": "minecraft:select",
    "cases": [
      {
        "model": {
          "type": "minecraft:model",
          "model": "minecraft:item/chest_christmas"
        },
        "when": [
          "12-24",
          "12-25",
          "12-26"
        ]
      }
    ],
    "fallback": {
      "type": "minecraft:model",
      "model": "minecraft:item/chest"
    },
    "pattern": "MM-dd",
    "property": "minecraft:local_time"
  }
}