# clock

{% tabs %}
{% tab title="SCRIPT" %}

```javascript
    const secondHand = document.querySelector('.second-hand');
    const minsHand = document.querySelector('.min-hand');
    const hourHand = document.querySelector('.hour-hand');

    function setDate() {


      const now = new Date();
      const seconds = now.getSeconds();
      const secondsDegrees = ((seconds / 60) * 360) + 90;
      secondHand.style.transform = `rotate(${secondsDegrees}deg)`; // 초

      const mins = now.getMinutes();
      const minsDegrees = ((mins / 60) * 360) + ((seconds / 60) * 6) + 90; // 분
      minsHand.style.transform = `rotate(${minsDegrees}deg)`;

      const hour = now.getHours();
      const hourDegrees = ((hour / 12) * 360) + ((mins / 60) * 30) + 90; // 시 
      hourHand.style.transform = `rotate(${hourDegrees}deg)`;

      const hands = document.querySelectorAll('.hand');
      if (seconds === 0) {
        hands.forEach(hand => hand.style.transitionDuration = '0s');
      } else {
        hands.forEach(hand => hand.style.transitionDuration = '0.05s');
      }
    }

    setInterval(setDate, 1000);
```

{% endtab %}

{% tab title="HTML" %}

```markup

  <div class="clock">
    <div class="clock-face">
      <div class="hand hour-hand"></div>
      <div class="hand min-hand"></div>
      <div class="hand second-hand"></div>
    </div>
  </div>
```

{% endtab %}

{% tab title="CSS" %}

```css
 html {
      background: #018DED url('bg.jpg');
      background-size: cover;
      font-family: 'helvetica neue';
      text-align: center;
      font-size: 10px;
    }

    body {
      margin: 0;
      font-size: 2rem;
      display: flex;
      flex: 1;
      min-height: 100vh;
      align-items: center;
    }

    .clock {
      width: 30rem;
      height: 30rem;
      border: 20px solid white;
      border-radius: 50%;
      margin: 50px auto;
      position: relative;
      padding: 2rem;
      box-shadow:
        0 0 0 4px rgba(0, 0, 0, 0.1),
        inset 0 0 0 3px #EFEFEF,
        inset 0 0 10px black,
        0 0 10px rgba(0, 0, 0, 0.2);
    }

    .clock-face {
      position: relative;
      width: 100%;
      height: 100%;
      transform: translateY(-3px);
      /* account for the height of the clock hands */
    }

    .hand {
      width: 50%;
      position: absolute;
      top: 50%;
      transform-origin: 100%;
      transform: rotate(90deg);
      transition: all 0.05s;
      transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
    }

    .hour-hand {
      background-color: #c9bf62;
      height: 6px;
    }

    .min-hand {
      background-color: #499da0;
      height: 4px;
    }

    .second-hand {
      background-color: #c76b20;
      height: 2px;
    }
```

{% endtab %}
{% endtabs %}

![](/files/-Mco3BFhF_Q9XFfp1LMK)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://leeboa.gitbook.io/study/javascript30/clock.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.