Calendar with week numbers

Component 3

About

Here is shadcn calendar with week numbers

Built with React and Tailwind. Copy the prompt and paste it into Claude Code, Cursor or Lovable: your agent adds Calendar with week numbers to your project and fits it to your theme.

Code

How Calendar with week numbers is used: the demo's code. The component's own source comes with a free account.

Usage.tsx

"use client"

import * as React from "react"

import { Calendar } from "@/components/ui/calendar"

export function Calendar15() {
  const [date, setDate] = React.useState<Date | undefined>(
    new Date(2025, 5, 12)
  )

  return (
    <Calendar
      mode="single"
      defaultMonth={date}
      selected={date}
      onSelect={setDate}
      className="rounded-lg border shadow-sm"
      showWeekNumber
    />
  )
}