gmt로 받아온 날짜 00:00으로 표시하기

  function addZero(n) {
    return n < 10 ? "0" + n : n;
  }
  const newcreateYear = new Date(before.createdAt).getFullYear();
  const newcreateMonth = addZero(new Date(before.createdAt).getMonth() + 1);
  const newcreateDay = addZero(new Date(before.createdAt).getDate());
  const newRecentCYear = new Date(before.recentConnectionDate).getFullYear();
  const newRecentCMonth = addZero(
    new Date(before.recentConnectionDate).getMonth() + 1
  );
  const newRecentCDay = addZero(
    new Date(before.recentConnectionDate).getDate()
  );