js 北京时间

function getBeijingTime() {
    const now = new Date();
    const offset = 8 * 60; // 北京时间比协调世界时（UTC）早 8 小时，换算成分钟为 480 分钟
    const utc = now.getTime() + (now.getTimezoneOffset() * 60000);
    const beijingTime = new Date(utc + (3600000 * offset));
    return beijingTime;
}

console.log(getBeijingTime());

const beijingTime = getBeijingTime();
console.log(beijingTime.toLocaleString('zh-CN', {hour12: false}));