next.js/examples/cms-cosmic/components/date.tsx

import { parseISO, format } from "date-fns";

type DateProps = {
  dateString: string;
};

const Date = (props: DateProps) => {
  const { dateString } = props;
  const date = parseISO(dateString);
  return <time dateTime={dateString}>{format(date, "LLLL	d, yyyy")}</time>;
};

export default Date;