调用toString（QUOT; YYYY-MM-DD"）会导致错误的日期格式 [英] Calling ToString("YYYY-mm-dd") results in wrong date format

问题描述

我有一个构造函数，它接受一个的DateTime 目标：

I've got a constructor which takes a DateTime object:

public Report(DateTime date, string start = "0", string end = "0")
{
    Logger.Info("Creating a new Report...");

    StartTime = start;
    EndTime = end;
    Date = date.ToString("YYYY-mm-dd");

    SetStartEndTimes();

    Logger.Info("Report Created");
}

现在，这是工作的罚款短短3天前。不过，我今天回来，休息了，这是我看到的结果：

Now, this was working fine just 3 days ago. However, I come back today, after a break, and this is the results I'm seeing:

正如你所看到的，在传递的日期是正确的。然而，格式后，事实并非如此。同样，这个工作我休息前。我回来了，我得到这个。我缺少的东西吗？它为什么会从一开始工作后的格式，以便正确？

As you can see, the date being passed in is right. However, after the format, it is not. Again, this worked before my break. I come back, and I get this. Am I missing something? Why would it format so incorrectly after working since the beginning?

修改

多谢你们。在搞砸了部分是希望通过在以前的版本源头控制，这个工作。或者，也许我想象它的工作。我不知道。但它已经这样了约3个月

Thanks guys. The messed up part is looking through the source control at previous versions, this worked. Or maybe I imagined it working. I don't know. But it's been this way for about 3 months.

推荐答案

的年份必须是小写字母和月份大写的：

Year must be lowercase and month uppercase:

Date = date.ToString("yyyy-MM-dd");  // btw, lowercase mm means minutes

的 自定义日期和时间格式字符串

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