# P calendar 19

> Calendar with time slots (appointment picker)

A shadcn/ui block from the [@coss](https://coss.com/ui) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/coss/p-calendar-19).

- Page, with a live preview: https://shadcn.exchange/r/coss/p-calendar-19
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/coss/p-calendar-19-light-40096291a93931e3.png
- Registry item: https://coss.com/ui/r/p-calendar-19.json
- Categories: calendar, toggle, toggle group, scroll area
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://coss.com/ui/r/p-calendar-19.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `date-fns`
- Registry items: `@coss/calendar`, `@coss/scroll-area`, `@coss/toggle`, `@coss/toggle-group`

## Files

### `registry/default/particles/p-calendar-19.tsx`

```tsx
"use client";

import { format } from "date-fns";
import { useState } from "react";
import { Calendar } from "@/registry/default/ui/calendar";
import { ScrollArea } from "@/registry/default/ui/scroll-area";
import { Toggle } from "@/registry/default/ui/toggle";
import { ToggleGroup } from "@/registry/default/ui/toggle-group";

export default function Particle() {
  const today = new Date();
  const [date, setDate] = useState<Date>(today);
  const [time, setTime] = useState<string | null>(null);

  const timeSlots = [
    { available: false, time: "09:00" },
    { available: false, time: "09:30" },
    { available: true, time: "10:00" },
    { available: true, time: "10:30" },
    { available: true, time: "11:00" },
    { available: true, time: "11:30" },
    { available: false, time: "12:00" },
    { available: true, time: "12:30" },
    { available: true, time: "13:00" },
    { available: true, time: "13:30" },
    { available: true, time: "14:00" },
    { available: false, time: "14:30" },
    { available: false, time: "15:00" },
    { available: true, time: "15:30" },
    { available: true, time: "16:00" },
    { available: true, time: "16:30" },
    { available: true, time: "17:00" },
    { available: true, time: "17:30" },
  ];

  return (
    <div className="flex max-sm:flex-col">
      <Calendar
        className="max-sm:pb-3 sm:pe-5"
        disabled={[{ before: today }]}
        mode="single"
        onSelect={(newDate) => {
          if (newDate) {
            setDate(newDate);
            setTime(null);
          }
        }}
        selected={date}
      />
      <div className="relative w-full max-sm:h-48 sm:w-40">
        <div className="absolute inset-0 max-sm:border-t">
          <ScrollArea
            className="h-full sm:border-s"
            overscrollContain
            scrollbarGutter
            scrollFade
          >
            <div className="flex flex-col gap-3 py-3 sm:pt-0 sm:pb-2">
              <div className="flex shrink-0 items-center font-medium text-sm sm:h-8 sm:px-5">
                {format(date, "EEEE, d")}
              </div>
              <ToggleGroup
                className="grid w-full gap-1.5 max-sm:grid-cols-2 sm:px-5"
                onValueChange={(values) => setTime(values[0] || null)}
                value={time ? [time] : []}
              >
                {timeSlots.map(({ time: timeSlot, available }) => (
                  <Toggle
                    disabled={!available}
                    key={timeSlot}
                    size="sm"
                    value={timeSlot}
                    variant="outline"
                  >
                    {timeSlot}
                  </Toggle>
                ))}
              </ToggleGroup>
            </div>
          </ScrollArea>
        </div>
      </div>
    </div>
  );
}
```