I start my timer as soon as I turn on the C-Gear, and I use EonTimer (although I've used ZomgTimer before). It is a bit tricker to confirm what frame you hit when you've got multiple Pokémon in the forest (due to them advancing the PIDRNG rapidly), so you might have to do a bit of trial and error to figure it out.
um, Hi, I saw in your thread that you have no wifi and I really like your Luxury Ball Timid Gengar+Timid Premier Ball Gengar but I only 2 pokemon of my own so I don't have a thread. I was wondering if I could help you ev train or something. If it helps I can take pkm files since the wifi has been having errors all christmas. Sorry if I bothered.