Unzip method generating invalid created and accessed date time of file after unzip operation.

Unzip method generating invalid created and accessed date time of file after unzip operation.

Hi,
We are using XceedZipLib in our code for zip/unzip operation.
The method Unzip() generating Invalid created and accessed date time for a file after unzipping zip file.
for some files it is generating correct datetime but for some files it is generating invalid created and accessed date time of file

Can you please provide a solution on the same.