"oh dark hundred" meaning in All languages combined

{
  "etymology_text": "From military time, in which hours before 10:00 am are prefixed with a zero, read as \"oh\", and 00 minutes is read as \"hundred\", as in oh five-hundred for 5:00 am.",
  "forms": [
    {
      "form": "0-dark-hundred",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "oh dark hundred",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Times of day",
          "orig": "en:Times of day",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              19,
              34
            ]
          ],
          "text": "I had to get up at oh dark hundred to catch a plane.",
          "type": "example"
        }
      ],
      "glosses": [
        "Some unspecified hour in the early morning (implies an unpleasant time to be awake)"
      ],
      "id": "en-oh_dark_hundred-en-noun-JB01BeqN",
      "links": [
        [
          "hour",
          "hour"
        ],
        [
          "awake",
          "awake"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Some unspecified hour in the early morning (implies an unpleasant time to be awake)"
      ],
      "related": [
        {
          "word": "0-dark-thirty"
        },
        {
          "word": "dark thirty"
        },
        {
          "word": "oh dark thirty"
        },
        {
          "word": "zero dark thirty"
        }
      ],
      "synonyms": [
        {
          "word": "crack of dawn"
        },
        {
          "word": "stupid o'clock"
        },
        {
          "word": "wee small hours"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "oh dark hundred"
}

{
  "etymology_text": "From military time, in which hours before 10:00 am are prefixed with a zero, read as \"oh\", and 00 minutes is read as \"hundred\", as in oh five-hundred for 5:00 am.",
  "forms": [
    {
      "form": "0-dark-hundred",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "oh dark hundred",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "0-dark-thirty"
    },
    {
      "word": "dark thirty"
    },
    {
      "word": "oh dark thirty"
    },
    {
      "word": "zero dark thirty"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Times of day"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              19,
              34
            ]
          ],
          "text": "I had to get up at oh dark hundred to catch a plane.",
          "type": "example"
        }
      ],
      "glosses": [
        "Some unspecified hour in the early morning (implies an unpleasant time to be awake)"
      ],
      "links": [
        [
          "hour",
          "hour"
        ],
        [
          "awake",
          "awake"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Some unspecified hour in the early morning (implies an unpleasant time to be awake)"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "crack of dawn"
    },
    {
      "word": "stupid o'clock"
    },
    {
      "word": "wee small hours"
    }
  ],
  "word": "oh dark hundred"
}