"jour pour jour" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "jour pour jour",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "It was a week ago to the day. One week before a man with black skin was elected to the White House.",
          "text": "C’était il y a une semaine jour pour jour. Une semaine avant l’élection à la Maison Blanche d’un homme à la peau noire.",
          "type": "example"
        }
      ],
      "glosses": [
        "to the day"
      ],
      "id": "en-jour_pour_jour-fr-adv-YlbWgAdP",
      "links": [
        [
          "to the day",
          "to the day"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʒuʁ puʁ ʒuʁ/"
    }
  ],
  "word": "jour pour jour"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "jour pour jour",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "French adverbs",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "It was a week ago to the day. One week before a man with black skin was elected to the White House.",
          "text": "C’était il y a une semaine jour pour jour. Une semaine avant l’élection à la Maison Blanche d’un homme à la peau noire.",
          "type": "example"
        }
      ],
      "glosses": [
        "to the day"
      ],
      "links": [
        [
          "to the day",
          "to the day"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʒuʁ puʁ ʒuʁ/"
    }
  ],
  "word": "jour pour jour"
}