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  "path": "/article/the-mathematical-formula-that-reveals-when-easter-is-every-year/",
  "publishedAt": "2026-04-04T12:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "You can track the start of spring and the phases of the moon—or you can turn to a formula by mathematician Carl Friedrich Gauss",
  "title": "The mathematical formula that reveals when Easter is every year"
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