SOURCE

function getLaterTimeByHour(hour = 1) {
    const date = new Date();
    const stamp = new Date().getTime();	// 获取当前时间戳
    date.setTime(stamp + hour * 3600000);
    return this.timeStamp2HM(date);

}


function timeStamp2HM(date) {
    const hours = date.getHours();				// 获取时
    const minutes = date.getMinutes();		// 获取分
    if (hours >= 0 && hours <= 9) {
        hours = "0" + hours;
    }
    if (minutes >= 0 && minutes <= 9) {
        minutes = "0" + minutes;
    }

    return `${hours}点${minutes}分`
}


console.log(getLaterTimeByHour())