如何将firebase时间戳转换为日期和时间 [英] How to convert firebase timestamp into date and time

问题描述

我尝试从firebase时间戳获取日期和时间如下：

I have tried to get date and time from firebase timestamp as follows:

   Date date=new Date(timestamp*1000);
   SimpleDateFormat sfd = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
   sfd.format(date)

但我得到的结果如下：

:02-02-48450 04:21:54
:06-02-48450 10:09:45
:07-02-48450 00:48:35

你可以看到一年不是

所以，请帮我解决这个问题。

So, please help me to fix this.

推荐答案

p>您的时间戳 1466769937914 等于 2016-06-24 12:05:37 UTC 。问题是你将时间戳乘以1000，没有真正的原因，结果给你 1466769937914000 。这等于 48450-02-01 21:51:54 UTC ，所以你获得的结果在技术上是正确的，一切都正常。您只需输入错误的输入数据，只有这部分必须被修复。一个解决方案是简单地去除乘法，你应该都很好：

Your timestamp 1466769937914 equals to 2016-06-24 12:05:37 UTC. The problem is that you are multiplying the timestamp by 1000 for no real reason, which in result gives you 1466769937914000. And that equals to 48450-02-01 21:51:54 UTC, so results you are getting are technically correct and all is working fine. You just feed your code with wrong input data and only this part must be fixed. A solution is simply to remove multiplication and you should be all good:

   SimpleDateFormat sfd = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
   sfd.format(new Date(timestamp))

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