js date 转换时区

const date = new Date();
const options = { timeZone: 'Asia/Shanghai', year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit' };
const convertedDate = date.toLocaleString('en-US', options);
console.log(convertedDate);

const date = new Date();
const formatter = new Intl.DateTimeFormat('en-US', {
  timeZone: 'Asia/Shanghai',
  year: 'numeric',
  month: '2-digit',
  day: '2-digit',
  hour: '2-digit',
  minute: '2-digit',
  second: '2-digit'
});
const convertedDate = formatter.format(date);
console.log(convertedDate);

npm install moment-timezone

const moment = require('moment-timezone');
const date = new Date();
const convertedDate = moment(date).tz('Asia/Shanghai').format('YYYY-MM-DD HH:mm:ss');
console.log(convertedDate);

const date = new Date();
const timeZoneOffset = 8 * 60; // 例如，东八区的偏移量是8小时，即480分钟
const utcTime = date.getTime() + (date.getTimezoneOffset() * 60000);
const targetTime = new Date(utcTime + (timeZoneOffset * 60000));
console.log(targetTime.toString());