snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/content/docs/components/aria/calendar.mdx

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+---
+title: Calendar
+description: A calendar component that allows users to select a date or a range of dates.
+base: aria
+component: true
+links:
+  doc: https://react-aria.adobe.com/Calendar
+  api: https://react-aria.adobe.com/Calendar#api
+---
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-demo"
+  previewClassName="h-96"
+/>
+
+## Installation
+
+<CodeTabs>
+
+<TabsList>
+  <TabsTrigger value="cli">Command</TabsTrigger>
+  <TabsTrigger value="manual">Manual</TabsTrigger>
+</TabsList>
+<TabsContent value="cli">
+
+```bash
+npx shadcn@latest add calendar
+```
+
+</TabsContent>
+
+<TabsContent value="manual">
+
+<Steps className="mb-0 pt-2">
+
+<Step>Install the following dependencies:</Step>
+
+```bash
+npm install react-aria-components @internationalized/date
+```
+
+<Step>Add the `Button` component to your project.</Step>
+
+The `Calendar` component uses the `Button` component. Make sure you have it installed in your project.
+
+<Step>Copy and paste the following code into your project.</Step>
+
+<ComponentSource
+  name="calendar"
+  title="components/ui/calendar.tsx"
+  styleName="aria-nova"
+/>
+
+<Step>Update the import paths to match your project setup.</Step>
+
+</Steps>
+
+</TabsContent>
+
+</CodeTabs>
+
+## Usage
+
+```tsx showLineNumbers
+import {
+  getLocalTimeZone,
+  today,
+  type CalendarDate,
+} from "@internationalized/date"
+
+import { Calendar } from "@/components/ui/calendar"
+```
+
+```tsx showLineNumbers
+const [date, setDate] = React.useState<CalendarDate | null>(
+  today(getLocalTimeZone())
+)
+
+return (
+  <Calendar value={date} onChange={setDate} className="rounded-lg border" />
+)
+```
+
+See the [React Aria](https://react-aria.adobe.com/Calendar) documentation for more information.
+
+## Date Picker
+
+You can use the `<Calendar>` component to build a date picker. See the [Date Picker](/docs/components/aria/date-picker) page for more information.
+
+## International Calendars
+
+To use international calendar systems such as Persian, Islamic, or Buddhist, use React Aria's `I18nProvider` to set the locale.
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-hijri"
+  title="Persian / Hijri / Jalali Calendar"
+  description="A Persian calendar."
+  previewClassName="h-[400px]"
+/>
+
+## Basic
+
+A basic calendar component. We used `className="rounded-lg border"` to style the calendar.
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-basic"
+  previewClassName="h-96"
+/>
+
+## Range Calendar
+
+Use the `RangeCalendar` component to enable range selection.
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-range"
+  previewClassName="h-[36rem] md:h-96"
+/>
+
+## Month and Year Selector
+
+Use `captionLayout="dropdown"` to show month and year dropdowns.
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-caption"
+  previewClassName="h-96"
+/>
+
+## Presets
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-presets"
+  previewClassName="h-[650px]"
+/>
+
+## Date and Time Picker
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-time"
+  previewClassName="h-[600px]"
+/>
+
+## Booked dates
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-booked-dates"
+  previewClassName="h-96"
+/>
+
+## Custom Cell Size
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-custom-days"
+  title="Custom Cell Size"
+  description="A calendar with custom cell size that's responsive."
+  className="**:[.preview]:h-[560px]"
+/>
+
+You can customize the size of calendar cells using the `--cell-size` CSS variable. You can also make it responsive by using breakpoint-specific values:
+
+```tsx showLineNumbers
+<Calendar
+  value={date}
+  onChange={setDate}
+  className="rounded-lg border [--cell-size:--spacing(11)] md:[--cell-size:--spacing(12)]"
+/>
+```
+
+Or use fixed values:
+
+```tsx showLineNumbers
+<Calendar
+  value={date}
+  onChange={setDate}
+  className="rounded-lg border [--cell-size:2.75rem] md:[--cell-size:3rem]"
+/>
+```
+
+## RTL
+
+To enable RTL support in shadcn/ui, see the [RTL configuration guide](/docs/rtl).
+
+See also the [International Calendars Guide](#international-calendars) for enabling the international calendars such as Persian / Hijri / Jalali.
+
+<ComponentPreview
+  styleName="aria-nova"
+  name="calendar-rtl"
+  direction="rtl"
+  previewClassName="h-96"
+/>
+
+## API Reference
+
+See the [React Aria](https://react-aria.adobe.com/Calendar) documentation for more information on the `Calendar` component.