When viewing topics or replies, in the header, you can see the exact date and time when the topic or reply is published.
What is the URL of bbPress forums dedicated search page?
If the search is enabled in bbPress settings, bbPress will enable search forms, and also activate dedicated search page.
Why the search in bbPress is not working?
bbPress has simple search built in using keyword search and simple form with the single input field. But, this can be also disabled.