datekit/days-between-dates.html at main · autonomy414941/datekit · GitHub

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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>Days Between Dates Calculator - DateKit</title>
  <meta name="description" content="Calculate days, hours, and minutes between two dates with signed output. Fast browser-based days between dates calculator." />
  <meta name="robots" content="index,follow" />
  <link rel="canonical" href="https://devtoolbox.dedyn.io/datekit/days-between-dates.html" />
  <meta property="og:type" content="website" />
  <meta property="og:site_name" content="DateKit" />
  <meta property="og:locale" content="en_US" />
  <meta property="og:title" content="Days Between Dates Calculator - DateKit" />
  <meta property="og:description" content="Find exact days, hours, and minutes between two date-time values." />
  <meta property="og:url" content="https://devtoolbox.dedyn.io/datekit/days-between-dates.html" />
  <meta property="og:image" content="https://devtoolbox.dedyn.io/og/default.png" />
  <meta name="twitter:card" content="summary_large_image" />
  <meta name="twitter:title" content="Days Between Dates Calculator - DateKit" />
  <meta name="twitter:description" content="Find exact days, hours, and minutes between two date-time values." />
  <meta name="twitter:image" content="https://devtoolbox.dedyn.io/og/default.png" />
  <meta name="theme-color" content="#0f172a" />
  <link rel="preconnect" href="https://fonts.googleapis.com" />
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
  <link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=IBM+Plex+Mono:wght@400;600&display=swap" rel="stylesheet" />
  <link rel="stylesheet" href="./styles.css" />
</head>
<body>
  <div class="bg-orb bg-orb-a"></div>
  <div class="bg-orb bg-orb-b"></div>
  <main class="page">
    <header class="hero">
      <p class="kicker">DateKit</p>
      <h1>Days Between Dates Calculator</h1>
      <p class="subtitle">Measure exact time gaps between two moments with signed days, hours, and minutes.</p>
      <nav class="tool-links" aria-label="DateKit calculators">
        <a class="pill-link" href="./">All Date Tools</a>
        <a class="pill-link" href="./add-subtract-days.html">Add Or Subtract Days</a>
        <a class="pill-link" href="./unix-timestamp-converter.html">Unix Converter</a>
      </nav>
    </header>

    <section class="grid single-grid">
      <article class="card" aria-labelledby="diff-title">
        <h2 id="diff-title">Date Difference</h2>
        <label>
          Start
          <input id="diff-start" type="datetime-local" />
        </label>
        <label>
          End
          <input id="diff-end" type="datetime-local" />
        </label>
        <button id="diff-run" type="button">Calculate Difference</button>
        <div id="diff-result" class="result" aria-live="polite"></div>
      </article>
    </section>

    <section class="context" aria-labelledby="days-between-notes-title">
      <h2 id="days-between-notes-title">How This Calculator Counts</h2>
      <p>The result is signed. If the end date is earlier than the start date, values are negative.</p>
      <p>Use date and time values when you need partial-day precision. For day-only planning, set both times to midnight.</p>
      <p>You get a compact duration plus decimal days, hours, and minutes so you can reuse the numbers in project plans and reminders.</p>
      <p>Need Unix-friendly output? Use the <a href="./unix-timestamp-converter.html">Unix Timestamp Converter</a> to move between human time and API timestamps.</p>
    </section>

    <section class="faq" aria-labelledby="days-between-faq-title">
      <h2 id="days-between-faq-title">FAQ</h2>
      <details>
        <summary>Does this include both start and end dates?</summary>
        <p>No. It calculates elapsed time between the two values. For inclusive day counts, add one day to the result.</p>
      </details>
      <details>
        <summary>Can I calculate business days only?</summary>
        <p>This tool returns calendar duration. For business-day schedules, use the result as a baseline and then remove weekends/holidays separately.</p>
      </details>
      <details>
        <summary>Why do I see negative values?</summary>
        <p>Negative values mean your end date is earlier than your start date, which is useful for overdue checks and lookback windows.</p>
      </details>
    </section>

    <footer class="footer">
      <a href="/" aria-label="Back to DevToolbox home">Back to DevToolbox</a>
      <button id="copy-link" type="button">Copy URL</button>
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    </footer>
  </main>

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      {
        "@type": "Question",
        "name": "Does this include both start and end dates?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "No. The calculator returns elapsed time between the two values. Add one day yourself if you need an inclusive day count."
        }
      },
      {
        "@type": "Question",
        "name": "Can I calculate business days only?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "This tool returns calendar duration. Use the output as a baseline, then remove weekends and holidays for business-day estimates."
        }
      },
      {
        "@type": "Question",
        "name": "Why do I see negative values?",
        "acceptedAnswer": {
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  <script src="./app.js" defer></script>
</body>
</html>