如何在React原生android中将日期格式设置为从现在起多少小时？

import React, { useState, useEffect } from 'react';
import { View, Text } from 'react-native';

const App = () => {
  const [currentTime, setCurrentTime] = useState(new Date());
  
  useEffect(() => {
    const timer = setInterval(() => {
      setCurrentTime(new Date());
    }, 1000);
    
    return () => clearInterval(timer);
  }, []);
  
  return (
    <View>
      <Text>{currentTime.toString()}</Text>
    </View>
  );
};

const hoursFromNow = (date) => {
  const now = new Date();
  const diff = Math.abs(date - now);
  const hours = Math.floor(diff / (1000 * 60 * 60));
  return hours;
};

// ...

<Text>{hoursFromNow(currentTime)} hours from now</Text>