"四日" meaning in Japanese

{
  "forms": [
    {
      "form": "四日",
      "ruby": [
        [
          "四",
          "よっ"
        ],
        [
          "日",
          "か"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "yokka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "よっか"
      },
      "expansion": "四(よっ)日(か) • (yokka)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "langcode": "ja",
          "name": "Day",
          "orig": "ja:Day",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 31",
          "kind": "other",
          "langcode": "ja",
          "name": "Time",
          "orig": "ja:Time",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the fourth day of the month"
      ],
      "id": "en-四日-ja-noun-wEOXEJvB"
    },
    {
      "categories": [
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "20 80",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "langcode": "ja",
          "name": "Day",
          "orig": "ja:Day",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "langcode": "ja",
          "name": "Four",
          "orig": "ja:Four",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "four days"
      ],
      "id": "en-四日-ja-noun-Y-qxBPLS"
    }
  ],
  "sounds": [
    {
      "other": "よっか"
    },
    {
      "ipa": "[jo̞k̚ka̠]"
    }
  ],
  "word": "四日"
}

{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms spelled with first grade kanji",
    "Japanese terms with 2 kanji",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with non-redundant non-automated sortkeys",
    "Japanese terms with redundant sortkeys",
    "Pages with 1 entry",
    "Pages with entries",
    "ja:Day",
    "ja:Four",
    "ja:Time"
  ],
  "forms": [
    {
      "form": "四日",
      "ruby": [
        [
          "四",
          "よっ"
        ],
        [
          "日",
          "か"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "yokka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "よっか"
      },
      "expansion": "四(よっ)日(か) • (yokka)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "the fourth day of the month"
      ]
    },
    {
      "glosses": [
        "four days"
      ]
    }
  ],
  "sounds": [
    {
      "other": "よっか"
    },
    {
      "ipa": "[jo̞k̚ka̠]"
    }
  ],
  "word": "四日"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "四日"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "四日",
  "trace": ""
}