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<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>min — date input</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}label{display:block;margin-bottom:.35rem;font-weight:500;font-size:.875rem}input{width:100%;max-width:280px;padding:.5rem .65rem;font:inherit;border:1px solid #cbd5e1;border-radius:6px}.hint{margin-top:1rem;font-size:.8125rem;color:#64748b;max-width:420px}code{background:#e2e8f0;padding:.1rem .35rem;border-radius:4px}</style>

</head>

<body>

  <h1>min on &lt;input type="date"&gt;</h1>

  <label for=startDate>Start date (no earlier than 2026-01-01):</label>

  <input type=date id=startDate name=startDate min=2026-01-01>

  <p class=hint><code>min="2026-01-01"</code> prevents picking dates before January 1, 2026 in supporting browsers.</p>

</body>

</html>

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HTML min Attribute — Date Input Earliest Date