"Whit Saturday" meaning in English

{
  "forms": [
    {
      "form": "Whit Saturdays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Whit Saturday (plural Whit Saturdays)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English 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": [
        {
          "ref": "1960 August, “Motive Power Miscellany”, in Trains Illustrated, page 505:",
          "text": "A Stanier 2-8-0 from Saltley, No. 48647, appeared at Pembrey with a freight for the local R.O.F. on Whit Saturday and was on Duffryn Yard shed on Whit Monday.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The day before Whit Sunday."
      ],
      "id": "en-Whit_Saturday-en-noun-9QEwDr5R",
      "links": [
        [
          "Whit Sunday",
          "Whit Sunday"
        ]
      ],
      "related": [
        {
          "word": "Whit Monday"
        }
      ]
    }
  ],
  "word": "Whit Saturday"
}

{
  "forms": [
    {
      "form": "Whit Saturdays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Whit Saturday (plural Whit Saturdays)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Whit Monday"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1960 August, “Motive Power Miscellany”, in Trains Illustrated, page 505:",
          "text": "A Stanier 2-8-0 from Saltley, No. 48647, appeared at Pembrey with a freight for the local R.O.F. on Whit Saturday and was on Duffryn Yard shed on Whit Monday.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The day before Whit Sunday."
      ],
      "links": [
        [
          "Whit Sunday",
          "Whit Sunday"
        ]
      ]
    }
  ],
  "word": "Whit Saturday"
}