ลักษณะที่ปรากฏ

import { useState } from "react";
import { DateTimePicker } from "react-date-range-picker-tailwind4";
import { createLocale } from "react-date-range-picker-headless";

const koLocale = createLocale("ko-KR", {
  confirm: "확인",
  cancel: "취소",
  clear: "초기화",
  today: "오늘",
  dateTimePlaceholder: "날짜 및 시간 선택",
});

function CustomLocale() {
  const [value, setValue] = useState<Date | null>(null);

  return <DateTimePicker value={value} onChange={setValue} locale={koLocale} />;
}

import { type SubmitEvent, useState } from "react";
import { DateTimePicker } from "react-date-range-picker-tailwind4";

function FormIntegration() {
  const [value, setValue] = useState<Date | null>(null);

  const handleSubmit = (e: SubmitEvent<HTMLFormElement>) => {
    e.preventDefault();
    const formData = new FormData(e.currentTarget);
    const appointment = formData.get("appointment");
    alert(`Submitted datetime: ${typeof appointment === "string" ? appointment : ""}`);
  };

  return (
    <form onSubmit={handleSubmit}>
      <DateTimePicker value={value} onChange={setValue} name="appointment" />
      <button type="submit" style={{ marginTop: 8 }}>
        Submit
      </button>
    </form>
  );
}