Youtube Times aka yt-times

A Firefox Extension that replaces the undescriptive youtube time with the exact absolute time of release. Perfect for all your Internet Historian needs!

You can use it here: https://addons.mozilla.org/en-US/firefox/addon/youtube-times/

Results

So youtube now produces the exact date like this:

instead of this:

How it works

For each video, it takes the URL and fetches the video's page before scraping the exact time of upload.
It doesn't use the Youtube API so that I could avoid having to implement it in a way that would either require a proxy, OAuth validation that could deter users, or publicly revealing a Youtube API Token key as well as not have to worry about any usage limits.