{
  "formatVersion": 1,
  "weekSystem": "ISO 8601",
  "dateMeaning": "Calendar dates, not timestamps",
  "source": "https://whatweek.is/developers/javascript-week-number/",
  "cases": [
    {
      "date": "2024-02-29",
      "weekYear": 2024,
      "weekNumber": 9,
      "weekday": 4,
      "iso": "2024-W09-4",
      "weekStarts": "2024-02-26",
      "weekEnds": "2024-03-03"
    },
    {
      "date": "2024-12-30",
      "weekYear": 2025,
      "weekNumber": 1,
      "weekday": 1,
      "iso": "2025-W01-1",
      "weekStarts": "2024-12-30",
      "weekEnds": "2025-01-05"
    },
    {
      "date": "2025-01-01",
      "weekYear": 2025,
      "weekNumber": 1,
      "weekday": 3,
      "iso": "2025-W01-3",
      "weekStarts": "2024-12-30",
      "weekEnds": "2025-01-05"
    },
    {
      "date": "2025-12-28",
      "weekYear": 2025,
      "weekNumber": 52,
      "weekday": 7,
      "iso": "2025-W52-7",
      "weekStarts": "2025-12-22",
      "weekEnds": "2025-12-28"
    },
    {
      "date": "2025-12-29",
      "weekYear": 2026,
      "weekNumber": 1,
      "weekday": 1,
      "iso": "2026-W01-1",
      "weekStarts": "2025-12-29",
      "weekEnds": "2026-01-04"
    },
    {
      "date": "2026-01-04",
      "weekYear": 2026,
      "weekNumber": 1,
      "weekday": 7,
      "iso": "2026-W01-7",
      "weekStarts": "2025-12-29",
      "weekEnds": "2026-01-04"
    },
    {
      "date": "2026-05-03",
      "weekYear": 2026,
      "weekNumber": 18,
      "weekday": 7,
      "iso": "2026-W18-7",
      "weekStarts": "2026-04-27",
      "weekEnds": "2026-05-03"
    },
    {
      "date": "2026-12-27",
      "weekYear": 2026,
      "weekNumber": 52,
      "weekday": 7,
      "iso": "2026-W52-7",
      "weekStarts": "2026-12-21",
      "weekEnds": "2026-12-27"
    },
    {
      "date": "2026-12-28",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 1,
      "iso": "2026-W53-1",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2026-12-29",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 2,
      "iso": "2026-W53-2",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2026-12-30",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 3,
      "iso": "2026-W53-3",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2026-12-31",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 4,
      "iso": "2026-W53-4",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2027-01-01",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 5,
      "iso": "2026-W53-5",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2027-01-02",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 6,
      "iso": "2026-W53-6",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2027-01-03",
      "weekYear": 2026,
      "weekNumber": 53,
      "weekday": 7,
      "iso": "2026-W53-7",
      "weekStarts": "2026-12-28",
      "weekEnds": "2027-01-03"
    },
    {
      "date": "2027-01-04",
      "weekYear": 2027,
      "weekNumber": 1,
      "weekday": 1,
      "iso": "2027-W01-1",
      "weekStarts": "2027-01-04",
      "weekEnds": "2027-01-10"
    },
    {
      "date": "2027-01-10",
      "weekYear": 2027,
      "weekNumber": 1,
      "weekday": 7,
      "iso": "2027-W01-7",
      "weekStarts": "2027-01-04",
      "weekEnds": "2027-01-10"
    }
  ]
}