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Override for the tutor's lesson content generation calls. Auto uses the system default (Claude Sonnet 5 for lesson text, Opus 5 for diagrams).

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System default

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Tutoring abilities

Have you ever looked at a wall clock and wondered what all those arrows and numbers are doing?

A round clock with moving pointers is called an **analog clock**.

The flat, round surface is called the **clock face**.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="1:1">
  <title>Parts of an Analog Clock</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      user-select: none;
      -webkit-user-select: none;
    }

    body {
      background: transparent;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 100%;
      padding: 12px 8px;
    }

    .nav-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      justify-content: center;
      width: 100%;
      max-width: 420px;
    }

    .tab-btn {
      background: #f1f5f9;
      border: 1.5px solid transparent;
      color: #475569;
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .tab-btn:hover {
      background: #e2e8f0;
      color: #1e2945;
    }

    .tab-btn.active {
      background: #22b7ff;
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(34, 183, 255, 0.35);
    }

    .clock-stage {
      position: relative;
      width: 100%;
      max-width: 320px;
      display: flex;
      justify-content: center;
      align-items: center;
      margin: 8px 0;
    }

    svg {
      width: 100%;
      height: auto;
      display: block;
      overflow: visible;
    }

    /* SVG Transitions */
    .face-base {
      fill: #ffffff;
      stroke: #cbd5e1;
      stroke-width: 8;
      transition: all 0.3s ease;
    }

    .face-active .face-base {
      stroke: #22b7ff;
      stroke-width: 10;
      fill: #f0f9ff;
    }

    .tick {
      stroke: #94a3b8;
      stroke-width: 3;
      stroke-linecap: round;
    }

    .num {
      font-size: 22px;
      font-weight: 700;
      fill: #334155;
      text-anchor: middle;
      dominant-baseline: central;
      transition: all 0.3s ease;
    }

    .numbers-active .num {
      fill: #22b7ff;
      font-size: 24px;
      font-weight: 800;
    }

    .dimmed-part {
      opacity: 0.22;
      transition: opacity 0.3s ease;
    }

    .hand {
      stroke-linecap: round;
      transition: all 0.3s ease;
    }

    .hour-hand {
      stroke: #6366f1;
      stroke-width: 9;
    }

    .minute-hand {
      stroke: #0284c7;
      stroke-width: 6;
    }

    .center-pin {
      fill: #1e2945;
      stroke: #ffffff;
      stroke-width: 3;
    }

    .pointer-tag {
      position: absolute;
      background: #ffffff;
      padding: 4px 10px;
      border-radius: 12px;
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 3px 10px rgba(0,0,0,0.12);
      pointer-events: none;
      transition: opacity 0.25s ease, transform 0.25s ease;
      opacity: 0;
      transform: translateY(4px);
      white-space: nowrap;
      z-index: 10;
    }

    .pointer-tag.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .tag-hour {
      color: #6366f1;
      border: 1.5px solid #6366f1;
      top: 58%;
      left: 14%;
    }

    .tag-minute {
      color: #0284c7;
      border: 1.5px solid #0284c7;
      top: 14%;
      right: 12%;
    }

    .tag-face {
      color: #0284c7;
      border: 1.5px solid #22b7ff;
      bottom: 6%;
      left: 50%;
      transform: translateX(-50%) translateY(4px);
    }
    .tag-face.visible {
      transform: translateX(-50%) translateY(0);
    }

    .tag-numbers {
      color: #0284c7;
      border: 1.5px solid #22b7ff;
      top: 6%;
      left: 50%;
      transform: translateX(-50%) translateY(4px);
    }
    .tag-numbers.visible {
      transform: translateX(-50%) translateY(0);
    }

    .caption-box {
      font-size: 15px;
      font-weight: 600;
      color: #1e2945;
      text-align: center;
      min-height: 24px;
    }
  </style>
</head>
<body>

  
  <div class="nav-tabs" role="tablist">
    <button class="tab-btn active" data-part="all">All Parts</button>
    <button class="tab-btn" data-part="face">Clock Face</button>
    <button class="tab-btn" data-part="numbers">Numbers</button>
    <button class="tab-btn" data-part="hour">Hour Hand</button>
    <button class="tab-btn" data-part="minute">Minute Hand</button>
  </div>

  
  <div class="clock-stage">
    <svg viewBox="0 0 300 300" id="clockSvg" aria-label="Analog Clock Parts">
      
      <g id="grp-face">
        <circle class="face-base" cx="150" cy="150" r="136" />
        
        <line class="tick" x1="150" y1="20" x2="150" y2="28" />
        <line class="tick" x1="215" y1="37" x2="211" y2="44" />
        <line class="tick" x1="263" y1="85" x2="256" y2="89" />
        <line class="tick" x1="280" y1="150" x2="272" y2="150" />
        <line class="tick" x1="263" y1="215" x2="256" y2="211" />
        <line class="tick" x1="215" y1="263" x2="211" y2="256" />
        <line class="tick" x1="150" y1="280" x2="150" y2="272" />
        <line class="tick" x1="85" y1="263" x2="89" y2="256" />
        <line class="tick" x1="37" y1="215" x2="44" y2="211" />
        <line class="tick" x1="20" y1="150" x2="28" y2="150" />
        <line class="tick" x1="37" y1="85" x2="44" y2="89" />
        <line class="tick" x1="85" y1="37" x2="89" y2="44" />
      </g>

      
      <g id="grp-numbers">
        <text class="num" x="150" y="52">12</text>
        <text class="num" x="199" y="65">1</text>
        <text class="num" x="235" y="101">2</text>
        <text class="num" x="248" y="150">3</text>
        <text class="num" x="235" y="199">4</text>
        <text class="num" x="199" y="235">5</text>
        <text class="num" x="150" y="248">6</text>
        <text class="num" x="101" y="235">7</text>
        <text class="num" x="65" y="199">8</text>
        <text class="num" x="52" y="150">9</text>
        <text class="num" x="65" y="101">10</text>
        <text class="num" x="101" y="65">11</text>
      </g>

      
      <g id="grp-hour">
        <line class="hand hour-hand" x1="150" y1="150" x2="98" y2="120" />
      </g>

      
      <g id="grp-minute">
        <line class="hand minute-hand" x1="150" y1="150" x2="215" y2="37" />
      </g>

      
      <circle class="center-pin" cx="150" cy="150" r="8" />
    </svg>

    
    <div class="pointer-tag tag-face" id="tag-face">Clock Face</div>
    <div class="pointer-tag tag-numbers" id="tag-numbers">Numbers 1 to 12</div>
    <div class="pointer-tag tag-hour" id="tag-hour">Hour Hand (Short)</div>
    <div class="pointer-tag tag-minute" id="tag-minute">Minute Hand (Long)</div>
  </div>

  
  <div class="caption-box" id="caption">Tap a part to explore</div>

  <script>
    const tabs = document.querySelectorAll('.tab-btn');
    const grpFace = document.getElementById('grp-face');
    const grpNumbers = document.getElementById('grp-numbers');
    const grpHour = document.getElementById('grp-hour');
    const grpMinute = document.getElementById('grp-minute');

    const tagFace = document.getElementById('tag-face');
    const tagNumbers = document.getElementById('tag-numbers');
    const tagHour = document.getElementById('tag-hour');
    const tagMinute = document.getElementById('tag-minute');
    const caption = document.getElementById('caption');

    const descriptions = {
      all: "Tap a part to explore",
      face: "Clock Face: The flat surface",
      numbers: "Numbers: 1 through 12 in order",
      hour: "Hour Hand: Short & points to the hour",
      minute: "Minute Hand: Long & points to minutes"
    };

    function setView(part) {
      tabs.forEach(btn => btn.classList.toggle('active', btn.dataset.part === part));

      // Reset classes
      grpFace.classList.remove('face-active', 'dimmed-part');
      grpNumbers.classList.remove('numbers-active', 'dimmed-part');
      grpHour.classList.remove('dimmed-part');
      grpMinute.classList.remove('dimmed-part');

      tagFace.classList.remove('visible');
      tagNumbers.classList.remove('visible');
      tagHour.classList.remove('visible');
      tagMinute.classList.remove('visible');

      caption.textContent = descriptions[part] || "";

      if (part === 'face') {
        grpFace.classList.add('face-active');
        grpNumbers.classList.add('dimmed-part');
        grpHour.classList.add('dimmed-part');
        grpMinute.classList.add('dimmed-part');
        tagFace.classList.add('visible');
      } else if (part === 'numbers') {
        grpNumbers.classList.add('numbers-active');
        grpFace.classList.add('dimmed-part');
        grpHour.classList.add('dimmed-part');
        grpMinute.classList.add('dimmed-part');
        tagNumbers.classList.add('visible');
      } else if (part === 'hour') {
        grpFace.classList.add('dimmed-part');
        grpNumbers.classList.add('dimmed-part');
        grpMinute.classList.add('dimmed-part');
        tagHour.classList.add('visible');
      } else if (part === 'minute') {
        grpFace.classList.add('dimmed-part');
        grpNumbers.classList.add('dimmed-part');
        grpHour.classList.add('dimmed-part');
        tagMinute.classList.add('visible');
      } else {
        // 'all' shows both hand tags for quick visual distinction
        tagHour.classList.add('visible');
        tagMinute.classList.add('visible');
      }
    }

    tabs.forEach(tab => {
      tab.addEventListener('click', () => setView(tab.dataset.part));
    });

    // Initial state
    setView('all');
  </script>
</body>
</html>

How are the numbers placed around the circle?

The numbers on a clock count from **1 to 12** in order.

The number **12** is always at the very top, and **6** is at the bottom.

What are those two arrows in the middle that keep moving?

The pointers in the center are called **hands**.

The **short hand** is the **hour hand**, and it tells us the hour.

The **long hand** is the **minute hand**, and it tells us the minutes.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="1:1">
  <title>Parts of an Analog Clock</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: transparent;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
    }
    .controls {
      display: flex;
      gap: 8px;
      margin-bottom: 14px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .btn-tab {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      color: #64748b;
      font-size: 14px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .btn-tab.active-hour {
      background: #f59e0b;
      border-color: #f59e0b;
      color: #ffffff;
    }
    .btn-tab.active-minute {
      background: #22b7ff;
      border-color: #22b7ff;
      color: #ffffff;
    }
    .btn-tab.active-all {
      background: #1e2945;
      border-color: #1e2945;
      color: #ffffff;
    }
    .clock-stage {
      position: relative;
      width: 100%;
      max-width: 320px;
      aspect-ratio: 1 / 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    svg {
      width: 100%;
      height: 100%;
      overflow: visible;
    }
    .hand {
      transform-origin: 150px 150px;
      transition: opacity 0.3s ease, filter 0.3s ease;
      cursor: pointer;
    }
    .hand-line {
      stroke-linecap: round;
    }
    .label-badge {
      transition: opacity 0.3s ease, transform 0.3s ease;
      pointer-events: none;
    }
    .dimmed {
      opacity: 0.2;
    }
    .highlighted {
      filter: drop-shadow(0 0 6px rgba(34, 183, 255, 0.6));
    }
    .highlighted-hour {
      filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.7));
    }
  </style>
</head>
<body>

  <div class="controls">
    <button class="btn-tab active-all" id="btn-all" onclick="setMode('all')">All Parts</button>
    <button class="btn-tab" id="btn-minute" onclick="setMode('minute')">Minute Hand</button>
    <button class="btn-tab" id="btn-hour" onclick="setMode('hour')">Hour Hand</button>
  </div>

  <div class="clock-stage">
    <svg viewBox="0 0 300 300">
      
      <circle cx="150" cy="150" r="130" fill="#ffffff" stroke="#cbd5e1" stroke-width="6" />
      <circle cx="150" cy="150" r="124" fill="#f8fafc" />

      
      <g stroke="#94a3b8" stroke-width="2" stroke-linecap="round">
        <line x1="150" y1="28" x2="150" y2="34" />
        <line x1="150" y1="266" x2="150" y2="272" />
        <line x1="28" y1="150" x2="34" y2="150" />
        <line x1="266" y1="150" x2="272" y2="150" />
        <line x1="211" y1="44" x2="208" y2="49" />
        <line x1="256" y1="89" x2="251" y2="92" />
        <line x1="256" y1="211" x2="251" y2="208" />
        <line x1="211" y1="256" x2="208" y2="251" />
        <line x1="89" y1="256" x2="92" y2="251" />
        <line x1="44" y1="211" x2="49" y2="208" />
        <line x1="44" y1="89" x2="49" y2="92" />
        <line x1="89" y1="44" x2="92" y2="49" />
      </g>

      
      <g font-size="20" font-weight="700" fill="#1e2945" text-anchor="middle" dominant-baseline="central">
        <text x="150" y="44">12</text>
        <text x="204" y="58">1</text>
        <text x="242" y="96">2</text>
        <text x="256" y="150">3</text>
        <text x="242" y="204">4</text>
        <text x="204" y="242">5</text>
        <text x="150" y="256">6</text>
        <text x="96" y="242">7</text>
        <text x="58" y="204">8</text>
        <text x="44" y="150">9</text>
        <text x="58" y="96">10</text>
        <text x="96" y="58">11</text>
      </g>

      
      <g id="hour-group" class="hand" onclick="setMode('hour')">
        <line x1="150" y1="150" x2="90" y2="100" stroke="#f59e0b" stroke-width="7" class="hand-line" />
      </g>

      
      <g id="minute-group" class="hand" onclick="setMode('minute')">
        <line x1="150" y1="150" x2="225" y2="60" stroke="#22b7ff" stroke-width="5" class="hand-line" />
      </g>

      
      <circle cx="150" cy="150" r="7" fill="#1e2945" />
      <circle cx="150" cy="150" r="3" fill="#ffffff" />

      
      <g id="label-minute" class="label-badge">
        <rect x="180" y="12" width="112" height="28" rx="14" fill="#22b7ff" />
        <text x="236" y="26" fill="#ffffff" font-size="13" font-weight="700" text-anchor="middle" dominant-baseline="central">Long = Minute</text>
      </g>

      <g id="label-hour" class="label-badge">
        <rect x="8" y="70" width="104" height="28" rx="14" fill="#f59e0b" />
        <text x="60" y="84" fill="#ffffff" font-size="13" font-weight="700" text-anchor="middle" dominant-baseline="central">Short = Hour</text>
      </g>
    </svg>
  </div>

  <script>
    function setMode(mode) {
      const btnAll = document.getElementById('btn-all');
      const btnMinute = document.getElementById('btn-minute');
      const btnHour = document.getElementById('btn-hour');
      
      const hourGroup = document.getElementById('hour-group');
      const minuteGroup = document.getElementById('minute-group');
      const labelHour = document.getElementById('label-hour');
      const labelMinute = document.getElementById('label-minute');

      btnAll.className = 'btn-tab';
      btnMinute.className = 'btn-tab';
      btnHour.className = 'btn-tab';

      hourGroup.classList.remove('dimmed', 'highlighted-hour');
      minuteGroup.classList.remove('dimmed', 'highlighted');

      if (mode === 'all') {
        btnAll.classList.add('active-all');
        labelHour.style.opacity = '1';
        labelMinute.style.opacity = '1';
      } else if (mode === 'minute') {
        btnMinute.classList.add('active-minute');
        minuteGroup.classList.add('highlighted');
        hourGroup.classList.add('dimmed');
        labelMinute.style.opacity = '1';
        labelHour.style.opacity = '0';
      } else if (mode === 'hour') {
        btnHour.classList.add('active-hour');
        hourGroup.classList.add('highlighted-hour');
        minuteGroup.classList.add('dimmed');
        labelHour.style.opacity = '1';
        labelMinute.style.opacity = '0';
      }
    }
  </script>
</body>
</html>

How can you always remember which hand is which?

The word **hour** is short, so it matches the **short hand**.

The word **minute** is longer, so it matches the **long hand**.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="1:1">
  <title>Parts of an Analog Clock</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      user-select: none;
      -webkit-user-select: none;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: transparent;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 100%;
      padding: 12px 10px;
    }
    .controls {
      display: flex;
      gap: 6px;
      justify-content: center;
      width: 100%;
      max-width: 360px;
    }
    .btn {
      flex: 1;
      padding: 8px 6px;
      font-size: 13px;
      font-weight: 600;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      background: #ffffff;
      color: #64748b;
      cursor: pointer;
      box-shadow: 0 1px 2px rgba(0,0,0,0.04);
      transition: all 0.2s ease;
      text-align: center;
    }
    .btn:active {
      transform: translateY(1px);
    }
    .btn.active-all {
      background: #f1f5f9;
      color: #1e2945;
      border-color: #cbd5e1;
    }
    .btn.active-hour {
      background: #eff6ff;
      color: #2563eb;
      border-color: #93c5fd;
      box-shadow: 0 0 0 1px #3b82f6;
    }
    .btn.active-minute {
      background: #f0fdfa;
      color: #0d9488;
      border-color: #99f6e4;
      box-shadow: 0 0 0 1px #14b8a6;
    }

    .clock-container {
      position: relative;
      width: 100%;
      max-width: 250px;
      aspect-ratio: 1 / 1;
      margin: 8px 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    svg {
      width: 100%;
      height: 100%;
      overflow: visible;
    }

    .clock-face {
      fill: #ffffff;
      stroke: #e2e8f0;
      stroke-width: 4;
    }
    .clock-num {
      font-size: 16px;
      font-weight: 700;
      fill: #334155;
      text-anchor: middle;
      dominant-baseline: central;
    }
    .clock-tick {
      stroke: #cbd5e1;
      stroke-width: 2;
      stroke-linecap: round;
    }
    .clock-center-dot {
      fill: #1e2945;
    }

    /* Hands */
    .hand {
      cursor: pointer;
      stroke-linecap: round;
      transition: opacity 0.3s ease, stroke-width 0.3s ease, filter 0.3s ease;
    }
    .hand-hour {
      stroke: #2563eb;
      stroke-width: 7;
    }
    .hand-minute {
      stroke: #0d9488;
      stroke-width: 4.5;
    }

    /* Comparisons visualizer */
    .mnemonic-grid {
      display: flex;
      flex-direction: column;
      gap: 8px;
      width: 100%;
      max-width: 340px;
    }
    .word-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-radius: 10px;
      background: #ffffff;
      border: 1.5px solid #f1f5f9;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .word-card.hour-card.active {
      border-color: #3b82f6;
      background: #eff6ff;
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
    }
    .word-card.minute-card.active {
      border-color: #14b8a6;
      background: #f0fdfa;
      box-shadow: 0 2px 8px rgba(13, 148, 136, 0.12);
    }
    .word-card.dimmed {
      opacity: 0.35;
    }

    .word-info {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .word-title {
      font-size: 13px;
      font-weight: 700;
    }
    .hour-card .word-title { color: #2563eb; }
    .minute-card .word-title { color: #0d9488; }

    .word-sub {
      font-size: 11px;
      color: #64748b;
      font-weight: 500;
    }

    .letter-blocks {
      display: flex;
      gap: 3px;
    }
    .letter-box {
      width: 20px;
      height: 22px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
    }
    .hour-card .letter-box {
      background: #dbeafe;
      color: #1d4ed8;
    }
    .minute-card .letter-box {
      background: #ccfbf1;
      color: #0f766e;
    }

    /* Faded hand states */
    .dimmed-hand {
      opacity: 0.2;
    }
    .highlight-hand {
      filter: drop-shadow(0 0 4px rgba(0,0,0,0.25));
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="btn active-all" id="btnAll">✦ All</button>
    <button class="btn" id="btnHour">Hour Hand</button>
    <button class="btn" id="btnMinute">Minute Hand</button>
  </div>

  
  <div class="clock-container">
    <svg viewBox="0 0 240 240">
      
      <circle cx="120" cy="120" r="108" class="clock-face" />

      
      <g stroke="#cbd5e1" stroke-width="2" stroke-linecap="round">
        <line x1="120" y1="20" x2="120" y2="28" />
        <line x1="170" y1="33.4" x2="166" y2="40.3" />
        <line x1="206.6" y1="70" x2="199.7" y2="74" />
        <line x1="220" y1="120" x2="212" y2="120" />
        <line x1="206.6" y1="170" x2="199.7" y2="166" />
        <line x1="170" y1="206.6" x2="166" y2="199.7" />
        <line x1="120" y1="220" x2="120" y2="212" />
        <line x1="70" y1="206.6" x2="74" y2="199.7" />
        <line x1="33.4" y1="170" x2="40.3" y2="166" />
        <line x1="20" y1="120" x2="28" y2="120" />
        <line x1="33.4" y1="70" x2="40.3" y2="74" />
        <line x1="70" y1="33.4" x2="74" y2="40.3" />
      </g>

      
      <text class="clock-num" x="120" y="44">12</text>
      <text class="clock-num" x="158" y="54">1</text>
      <text class="clock-num" x="186" y="82">2</text>
      <text class="clock-num" x="196" y="120">3</text>
      <text class="clock-num" x="186" y="158">4</text>
      <text class="clock-num" x="158" y="186">5</text>
      <text class="clock-num" x="120" y="196">6</text>
      <text class="clock-num" x="82" y="186">7</text>
      <text class="clock-num" x="54" y="158">8</text>
      <text class="clock-num" x="44" y="120">9</text>
      <text class="clock-num" x="54" y="82">10</text>
      <text class="clock-num" x="82" y="54">11</text>

      
      <line id="hourHand" class="hand hand-hour" x1="120" y1="120" x2="77" y2="95" />

      
      <line id="minuteHand" class="hand hand-minute" x1="120" y1="120" x2="191" y2="79" />

      
      <circle cx="120" cy="120" r="6" class="clock-center-dot" />
    </svg>
  </div>

  
  <div class="mnemonic-grid">
    
    <div class="word-card hour-card" id="cardHour">
      <div class="word-info">
        <span class="word-title">Short Hand</span>
        <span class="word-sub">Hour Hand</span>
      </div>
      <div class="letter-blocks" aria-label="H-O-U-R (4 letters)">
        <div class="letter-box">H</div>
        <div class="letter-box">O</div>
        <div class="letter-box">U</div>
        <div class="letter-box">R</div>
      </div>
    </div>

    
    <div class="word-card minute-card" id="cardMinute">
      <div class="word-info">
        <span class="word-title">Long Hand</span>
        <span class="word-sub">Minute Hand</span>
      </div>
      <div class="letter-blocks" aria-label="M-I-N-U-T-E (6 letters)">
        <div class="letter-box">M</div>
        <div class="letter-box">I</div>
        <div class="letter-box">N</div>
        <div class="letter-box">U</div>
        <div class="letter-box">T</div>
        <div class="letter-box">E</div>
      </div>
    </div>
  </div>

  <script>
    const btnAll = document.getElementById('btnAll');
    const btnHour = document.getElementById('btnHour');
    const btnMinute = document.getElementById('btnMinute');

    const hourHand = document.getElementById('hourHand');
    const minuteHand = document.getElementById('minuteHand');

    const cardHour = document.getElementById('cardHour');
    const cardMinute = document.getElementById('cardMinute');

    let mode = 'all';

    function setMode(newMode) {
      mode = newMode;

      // Reset button classes
      btnAll.className = 'btn' + (mode === 'all' ? ' active-all' : '');
      btnHour.className = 'btn' + (mode === 'hour' ? ' active-hour' : '');
      btnMinute.className = 'btn' + (mode === 'minute' ? ' active-minute' : '');

      // Update Hands
      if (mode === 'all') {
        hourHand.className.baseVal = 'hand hand-hour';
        minuteHand.className.baseVal = 'hand hand-minute';

        cardHour.className = 'word-card hour-card active';
        cardMinute.className = 'word-card minute-card active';
      } else if (mode === 'hour') {
        hourHand.className.baseVal = 'hand hand-hour highlight-hand';
        minuteHand.className.baseVal = 'hand hand-minute dimmed-hand';

        cardHour.className = 'word-card hour-card active';
        cardMinute.className = 'word-card minute-card dimmed';
      } else if (mode === 'minute') {
        hourHand.className.baseVal = 'hand hand-hour dimmed-hand';
        minuteHand.className.baseVal = 'hand hand-minute highlight-hand';

        cardHour.className = 'word-card hour-card dimmed';
        cardMinute.className = 'word-card minute-card active';
      }
    }

    // Event listeners for interactive learning
    btnAll.addEventListener('click', () => setMode('all'));
    btnHour.addEventListener('click', () => setMode('hour'));
    btnMinute.addEventListener('click', () => setMode('minute'));

    cardHour.addEventListener('click', () => setMode(mode === 'hour' ? 'all' : 'hour'));
    cardMinute.addEventListener('click', () => setMode(mode === 'minute' ? 'all' : 'minute'));

    hourHand.addEventListener('click', () => setMode(mode === 'hour' ? 'all' : 'hour'));
    minuteHand.addEventListener('click', () => setMode(mode === 'minute' ? 'all' : 'minute'));

    // Initialize
    setMode('all');
  </script>
</body>
</html>

Next time you look at a clock in your classroom or home, see if you can spot the short hour hand first!

math

Identifying the Parts of an Analog Clock. Identify the clock face, the short hour hand, the long minute hand, and numbers 1 through 12 on an analog clock.

How to Tell the Time - Early & First Level Maths and Numeracy

Match Analogue Clocks and Times: Parts of a Clock and Telling Time to the Hour

Telling Time: Introduction to Analog Clocks and Hands

For Primary 1 / Early Level learners (ages 4–6), concrete and multisensory approaches are critical. Begin with physical Judy clocks or paper plate clocks where children physically touch the clock face, trace the numerals $1$ to $12$ with their fingers, and compare real cutout hands of distinct lengths and colors (e.g., short red hour hand vs. long blue minute hand). Emphasize mnemonic language ('Short word = hour, long word = minute') and reinforce daily routine connections (e.g., 'When the short hand points to $12$ and the long hand points to $12$, it is lunchtime').

Identifying the Parts of an Analog Clock

The Numbers on the Face

The Two Hands