Forum thread with many more combinations of User-agent, location, and time:<p><a href="http://forums.xkcd.com/viewtopic.php?f=7&t=82442&sid=f9267217744d35af43e5e43db38d8eb0" rel="nofollow">http://forums.xkcd.com/viewtopic.php?f=7&t=82442&sid...</a>