GetCreationTime & GetLastWriteTime

// local times
DateTime creationTime = File.GetCreationTime(@"c:\file.txt");
DateTime lastWriteTime = File.GetLastWriteTime(@"c:\file.txt");
DateTime lastAccessTime = File.GetLastAccessTime(@"c:\file.txt");

// UTC times
DateTime creationTimeUtc = File.GetCreationTimeUtc(@"c:\file.txt");
DateTime lastWriteTimeUtc = File.GetLastWriteTimeUtc(@"c:\file.txt");
DateTime lastAccessTimeUtc = File.GetLastAccessTimeUtc(@"c:\file.txt");

// write file last modification time (local / UTC)
Console.WriteLine(lastWriteTime);     // 9/30/2007 2:16:04 PM
Console.WriteLine(lastWriteTimeUtc);  // 9/30/2007 6:16:04 PM


// FileInfo ile
FileInfo fileInfo = new FileInfo(@"c:\file.txt");

// local times
DateTime creationTime = fileInfo.CreationTime;
DateTime lastWriteTime = fileInfo.LastWriteTime;
DateTime lastAccessTime = fileInfo.LastAccessTime;

// UTC times
DateTime creationTimeUtc = fileInfo.CreationTimeUtc;
DateTime lastWriteTimeUtc = fileInfo.LastWriteTimeUtc;
DateTime lastAccessTimeUtc = fileInfo.LastAccessTimeUtc;

// write file last modification time (local / UTC)
Console.WriteLine(lastWriteTime);     // 9/30/2007 2:16:04 PM
Console.WriteLine(lastWriteTimeUtc);  // 9/30/2007 6:16:04 PM

Ref: http://www.csharp-examples.net/file-creation-modification-time/

Stackoverflow'dan DateTime tür dönüşümleri üzerine bir cevap

Given that you are parsing the date from a string, the system has no way of knowing what kind of DateTime you are parsing.

DateTime has a Kind property, which can have one of the three values:

Unspecified
Local
Utc

So for the code you show:

DateTime convertedDate = DateTime.Parse(dateStr);

var kind = convertedDate.Kind; // will equal DateTimeKind.Unspecified
You say you know what kind it is, so tell it.

DateTime convertedDate = DateTime.SpecifyKind(
    DateTime.Parse(dateStr),
    DateTimeKind.Utc);

var kind = convertedDate.Kind; // will equal DateTimeKind.Utc
Now, once the system knows its in UTC time, you can just call ToLocalTime:

DateTime dt = convertedDate.ToLocalTime();

This will give you the result you require.