# Time Ruler

> Duration picker on a draggable ruler, HIG style. Editable start with iOS-style wheels or live now, Date output, next-day mark, min, blocked slots, presets, custom badge for prices. Badge springs, digits roll, 04:20 and 13:37 hide easter eggs.

- Author: [Vasnev.art](https://21st.dev/@romanvasnev)
- License: mit
- Live preview: https://21st.dev/@romanvasnev/components/time-ruler

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/romanvasnev/time-ruler?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt