# Week Number Calendar

> A calendar that shows the ISO week number next to each row, useful for scheduling and planning views where week context matters.

- Author: [Sean Hello](https://21st.dev/@sean0205)
- Library: [ReUI](https://21st.dev/@sean0205/library/reui)
- License: MIT
- Tags: Calendar, Date Picker, Scheduling, shadcn/ui
- npm dependencies: react-day-picker
- Live preview: https://21st.dev/@sean0205/components/week-number-calendar

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/sean0205/week-number-calendar?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 · More like this: https://21st.dev/community/components/s/calendar.md