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shadcn-ui/apps/v4/content/docs/components/calendar.mdx

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---
title: Calendar
description: A date field component that allows users to enter and edit date.
component: true
links:
doc: https://react-day-picker.js.org
---
<ComponentPreview
name="calendar-demo"
title="Calendar"
description="A calendar showing the current date."
/>
## Blocks
We have built a collection of 30+ calendar blocks that you can use to build your own calendar components.
See all calendar blocks in the [Blocks Library](/blocks/calendar) page.
## Installation
<CodeTabs>
<TabsList>
<TabsTrigger value="cli">CLI</TabsTrigger>
<TabsTrigger value="manual">Manual</TabsTrigger>
</TabsList>
<TabsContent value="cli">
```bash
npx shadcn@latest add calendar
```
</TabsContent>
<TabsContent value="manual">
<Steps>
<Step>Install the following dependencies:</Step>
```bash
npm install react-day-picker date-fns
```
<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" />
<Step>Update the import paths to match your project setup.</Step>
</Steps>
</TabsContent>
</CodeTabs>
## Usage
```tsx showLineNumbers
import { Calendar } from "@/components/ui/calendar"
```
```tsx showLineNumbers
const [date, setDate] = React.useState<Date | undefined>(new Date())
return (
<Calendar
mode="single"
selected={date}
onSelect={setDate}
className="rounded-lg border"
/>
)
```
See the [React DayPicker](https://react-day-picker.js.org) documentation for more information.
## About
The `Calendar` component is built on top of [React DayPicker](https://react-day-picker.js.org).
## Customization
See the [React DayPicker](https://react-day-picker.js.org/docs/customization) documentation for more information on how to customize the `Calendar` component.
## Date Picker
You can use the `<Calendar>` component to build a date picker. See the [Date Picker](/docs/components/date-picker) page for more information.
## Persian / Hijri / Jalali Calendar
To use the Persian calendar, edit `components/ui/calendar.tsx` and replace `react-day-picker` with `react-day-picker/persian`.
```diff
- import { DayPicker } from "react-day-picker"
+ import { DayPicker } from "react-day-picker/persian"
```
<ComponentPreview
name="calendar-hijri"
title="Persian / Hijri / Jalali Calendar"
description="A Persian calendar."
/>
## Examples
### Range Calendar
<ComponentPreview
name="calendar-02"
title="Range Calendar"
description="A calendar showing the current date and range selection."
className="**:[.preview]:h-auto lg:**:[.preview]:h-[450px]"
/>
### Month and Year Selector
<ComponentPreview
name="calendar-13"
title="Month and Year Selector"
description="A calendar with month and year dropdowns."
/>
### Date of Birth Picker
<ComponentPreview
name="calendar-22"
title="Date of Birth Picker"
description="A calendar with date of birth picker."
/>
### Date and Time Picker
<ComponentPreview
name="calendar-24"
title="Date and Time Picker"
description="A calendar with date and time picker."
/>
### Natural Language Picker
This component uses the `chrono-node` library to parse natural language dates.
<ComponentPreview
name="calendar-29"
title="Natural Language Picker"
description="A calendar with natural language picker."
/>
### Form
<ComponentPreview name="calendar-form" />
## Upgrade Guide
### Tailwind v4
If you're already using Tailwind v4, you can upgrade to the latest version of the `Calendar` component by running the following command:
```bash
npx shadcn@latest add calendar
```
When you're prompted to overwrite the existing `Calendar` component, select `Yes`. **If you have made any changes to the `Calendar` component, you will need to merge your changes with the new version.**
This will update the `Calendar` component and `react-day-picker` to the latest version.
Next, follow the [React DayPicker](https://daypicker.dev/upgrading) upgrade guide to upgrade your existing components to the latest version.
#### Installing Blocks
After upgrading the `Calendar` component, you can install the new blocks by running the `shadcn@latest add` command.
```bash
npx shadcn@latest add calendar-02
```
This will install the latest version of the calendar blocks.
### Tailwind v3
If you're using Tailwind v3, you can upgrade to the latest version of the `Calendar` by copying the following code to your `calendar.tsx` file.
<CodeCollapsibleWrapper>
```tsx showLineNumbers title="components/ui/calendar.tsx"
"use client"
import * as React from "react"
import {
ChevronDownIcon,
ChevronLeftIcon,
ChevronRightIcon,
} from "lucide-react"
import { DayButton, DayPicker, getDefaultClassNames } from "react-day-picker"
import { cn } from "@/lib/utils"
import { Button, buttonVariants } from "@/components/ui/button"
function Calendar({
className,
classNames,
showOutsideDays = true,
captionLayout = "label",
buttonVariant = "ghost",
formatters,
components,
...props
}: React.ComponentProps<typeof DayPicker> & {
buttonVariant?: React.ComponentProps<typeof Button>["variant"]
}) {
const defaultClassNames = getDefaultClassNames()
return (
<DayPicker
showOutsideDays={showOutsideDays}
className={cn(
"bg-background group/calendar p-3 [--cell-size:2rem] [[data-slot=card-content]_&]:bg-transparent [[data-slot=popover-content]_&]:bg-transparent",
String.raw`rtl:**:[.rdp-button\_next>svg]:rotate-180`,
String.raw`rtl:**:[.rdp-button\_previous>svg]:rotate-180`,
className
)}
captionLayout={captionLayout}
formatters={{
formatMonthDropdown: (date) =>
date.toLocaleString("default", { month: "short" }),
...formatters,
}}
classNames={{
root: cn("w-fit", defaultClassNames.root),
months: cn(
"relative flex flex-col gap-4 md:flex-row",
defaultClassNames.months
),
month: cn("flex w-full flex-col gap-4", defaultClassNames.month),
nav: cn(
"absolute inset-x-0 top-0 flex w-full items-center justify-between gap-1",
defaultClassNames.nav
),
button_previous: cn(
buttonVariants({ variant: buttonVariant }),
"h-[--cell-size] w-[--cell-size] select-none p-0 aria-disabled:opacity-50",
defaultClassNames.button_previous
),
button_next: cn(
buttonVariants({ variant: buttonVariant }),
"h-[--cell-size] w-[--cell-size] select-none p-0 aria-disabled:opacity-50",
defaultClassNames.button_next
),
month_caption: cn(
"flex h-[--cell-size] w-full items-center justify-center px-[--cell-size]",
defaultClassNames.month_caption
),
dropdowns: cn(
"flex h-[--cell-size] w-full items-center justify-center gap-1.5 text-sm font-medium",
defaultClassNames.dropdowns
),
dropdown_root: cn(
"has-focus:border-ring border-input shadow-xs has-focus:ring-ring/50 has-focus:ring-[3px] relative rounded-md border",
defaultClassNames.dropdown_root
),
dropdown: cn("absolute inset-0 opacity-0", defaultClassNames.dropdown),
caption_label: cn(
"select-none font-medium",
captionLayout === "label"
? "text-sm"
: "[&>svg]:text-muted-foreground flex h-8 items-center gap-1 rounded-md pl-2 pr-1 text-sm [&>svg]:size-3.5",
defaultClassNames.caption_label
),
table: "w-full border-collapse",
weekdays: cn("flex", defaultClassNames.weekdays),
weekday: cn(
"text-muted-foreground flex-1 select-none rounded-md text-[0.8rem] font-normal",
defaultClassNames.weekday
),
week: cn("mt-2 flex w-full", defaultClassNames.week),
week_number_header: cn(
"w-[--cell-size] select-none",
defaultClassNames.week_number_header
),
week_number: cn(
"text-muted-foreground select-none text-[0.8rem]",
defaultClassNames.week_number
),
day: cn(
"group/day relative aspect-square h-full w-full select-none p-0 text-center [&:first-child[data-selected=true]_button]:rounded-l-md [&:last-child[data-selected=true]_button]:rounded-r-md",
defaultClassNames.day
),
range_start: cn(
"bg-accent rounded-l-md",
defaultClassNames.range_start
),
range_middle: cn("rounded-none", defaultClassNames.range_middle),
range_end: cn("bg-accent rounded-r-md", defaultClassNames.range_end),
today: cn(
"bg-accent text-accent-foreground rounded-md data-[selected=true]:rounded-none",
defaultClassNames.today
),
outside: cn(
"text-muted-foreground aria-selected:text-muted-foreground",
defaultClassNames.outside
),
disabled: cn(
"text-muted-foreground opacity-50",
defaultClassNames.disabled
),
hidden: cn("invisible", defaultClassNames.hidden),
...classNames,
}}
components={{
Root: ({ className, rootRef, ...props }) => {
return (
<div
data-slot="calendar"
ref={rootRef}
className={cn(className)}
{...props}
/>
)
},
Chevron: ({ className, orientation, ...props }) => {
if (orientation === "left") {
return (
<ChevronLeftIcon className={cn("size-4", className)} {...props} />
)
}
if (orientation === "right") {
return (
<ChevronRightIcon
className={cn("size-4", className)}
{...props}
/>
)
}
return (
<ChevronDownIcon className={cn("size-4", className)} {...props} />
)
},
DayButton: CalendarDayButton,
WeekNumber: ({ children, ...props }) => {
return (
<td {...props}>
<div className="flex size-[--cell-size] items-center justify-center text-center">
{children}
</div>
</td>
)
},
...components,
}}
{...props}
/>
)
}
function CalendarDayButton({
className,
day,
modifiers,
...props
}: React.ComponentProps<typeof DayButton>) {
const defaultClassNames = getDefaultClassNames()
const ref = React.useRef<HTMLButtonElement>(null)
React.useEffect(() => {
if (modifiers.focused) ref.current?.focus()
}, [modifiers.focused])
return (
<Button
ref={ref}
variant="ghost"
size="icon"
data-day={day.date.toLocaleDateString()}
data-selected-single={
modifiers.selected &&
!modifiers.range_start &&
!modifiers.range_end &&
!modifiers.range_middle
}
data-range-start={modifiers.range_start}
data-range-end={modifiers.range_end}
data-range-middle={modifiers.range_middle}
className={cn(
"data-[selected-single=true]:bg-primary data-[selected-single=true]:text-primary-foreground data-[range-middle=true]:bg-accent data-[range-middle=true]:text-accent-foreground data-[range-start=true]:bg-primary data-[range-start=true]:text-primary-foreground data-[range-end=true]:bg-primary data-[range-end=true]:text-primary-foreground group-data-[focused=true]/day:border-ring group-data-[focused=true]/day:ring-ring/50 flex aspect-square h-auto w-full min-w-[--cell-size] flex-col gap-1 font-normal leading-none data-[range-end=true]:rounded-md data-[range-middle=true]:rounded-none data-[range-start=true]:rounded-md group-data-[focused=true]/day:relative group-data-[focused=true]/day:z-10 group-data-[focused=true]/day:ring-[3px] [&>span]:text-xs [&>span]:opacity-70",
defaultClassNames.day,
className
)}
{...props}
/>
)
}
export { Calendar, CalendarDayButton }
```
</CodeCollapsibleWrapper>
**If you have made any changes to the `Calendar` component, you will need to merge your changes with the new version.**
Then follow the [React DayPicker](https://daypicker.dev/upgrading) upgrade guide to upgrade your dependencies and existing components to the latest version.
#### Installing Blocks
After upgrading the `Calendar` component, you can install the new blocks by running the `shadcn@latest add` command.
```bash
npx shadcn@latest add calendar-02
```
This will install the latest version of the calendar blocks.