C# System.DateTime.Now returns customized time format set in windows

Question

C＃System.DateTime.Now给我带时间的日期，但是无论我在Windows calander中设置的是什么，它都会给我格式，即（am）（pm）甚至是（xyz），如何获取标准时间格式（AM / PM），而无论在Windows calander中设置的自定义时间格式？

Answer 1

System.DateTime.Now doesn't have any presentational format, it's the ToString() that formats it.

Like:

System.DateTime.Now.ToString("dd, MM");

check msdn for more info: https://msdn.microsoft.com/en-us/library/8kb3ddd4%28v=vs.110%29.aspx?f=255&MSPPError=-2147217396

Answer 2

If you use the DateTime as DateTime type then it will automatically show you the format of your windows. For the custom format, you have to cast it as string

string newdate = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt", CultureInfo.InvariantCulture);

useful link MSDN