Разница дат в часах

const getHoursDiffBetweenDates = (dateInitial, dateFinal) =>
  (dateFinal - dateInitial) / (1000 * 3600);

getHoursDiffBetweenDates(
  new Date('2021-04-24 10:25:00'),
  new Date('2021-04-25 10:25:00')
); // 24