The following description is directly copied from http://forums.e-hentai.org/index.php?s=&showtopic=65126&view=findpost&p=3524274
Realtime Auction Countdown Timer
A script that embeds countdown timers in the title sections of auction threads in the WTS forum.
Timers are updated every 60 seconds; you can change the value in the script.
You can also change the height (default to 45 pixels) of the timer.
Download and Installation
[github.com] Download Link 1 (recommended), [greasyfork.org] Download Link 2 (backup)
[greasyfork.org] How to Install User Scripts
To report bugs, request features, or if you have any feedback, please PM me or reply to this thread.