When trying to make things work with the datetime module, most Python users have faced a point when we resort to guess-and-check until the errors go away. datetime is one of those APIs that seems easy ...
You can and Starring and Forking is free for you, but it tells me and other people that it was helpful and you like this tutorial. Extract the ZIP and open it. Unfortunately I don't have any more ...
dateutil can be installed from PyPI using pip (note that the package name is different from the importable name): Here's a snapshot, just to give an idea about the power of the package. For more ...