"timezone" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "time",
        "3": "zone"
      },
      "expansion": "time + zone",
      "name": "compound"
    }
  ],
  "etymology_text": "time + zone",
  "forms": [
    {
      "form": "timezones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "timezone (plural timezones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "chiefly US",
          "word": "time zone"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of time zone (chiefly US)"
      ],
      "id": "en-timezone-en-noun-A2U2ZtSP",
      "links": [
        [
          "time zone",
          "time zone#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "timezone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "time",
        "3": "zone"
      },
      "expansion": "time + zone",
      "name": "compound"
    }
  ],
  "etymology_text": "time + zone",
  "forms": [
    {
      "form": "timezones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "timezone (plural timezones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "chiefly US",
          "word": "time zone"
        }
      ],
      "categories": [
        "American English",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns"
      ],
      "glosses": [
        "Alternative spelling of time zone (chiefly US)"
      ],
      "links": [
        [
          "time zone",
          "time zone#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "timezone"
}