I thought some evidence might be on the forums, though from what I've searched, I only came up with this information on the 8th of November:
http://www.oddworldforums.net/showthread.php?t=488
Everything else seems to point to the 15th, but that nagging feeling tells me something ain't right. Or it could be that tick leeching my blood on the back of my neck.
Alcar...