Javascript：如何将n分钟添加到unix时间戳 [英] Javascript: how to add n minutes to unix timestamp

问题描述

我有一个unix时间戳：1368435600。持续时间以分钟为单位：例如75.

I have a unix timestamp: 1368435600. And a duration in minutes: 75 for example.

使用javascript我需要：

Using javascript I need to:

1. 将时间戳转换为字符串格式小时：分钟（09:00）


2. 将n分钟添加到时间戳：timestamp + 75mins

我试过了moment.js库：

I tried the moment.js library:

end_time = moment(start_time).add('m', booking_service_duration);

booking_service_duration为75但是增加了一个小时。我也不想使用另一个js库

booking_service_duration was 75 but it added an hour. I'd also rather not have to use another js library

推荐答案

要添加75分钟，只需乘以60得到数字秒，并将其添加到时间戳：

To add 75 minutes, just multiply by 60 to get the number of seconds, and add that to the timestamp:

timestamp += 75 * 60

要转换为小时：分钟，你需要做更多的数学运算：

To convert to hours:mins you will have to do a bit more math:

var hours = Math.floor(timestamp/60/60),
    mins = Math.floor((timestamp - hours * 60 * 60) / 60),
    output = hours%24+":"+mins;

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