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 ...

Calculate week and month in a easy way. Normally we want to use these binate date in script, from Monday to next Monday which means 00:00:00-23:59:59, and Month from 1st to next 1st in the same way, ...