Hi Jen,
My coach told me that it doesn't matter the time...to judge it by my body and when I get hungrier..afternoon or evening. I usually eat mine in the afternoon and after dinner I eat a couple of sugar free sweet pickles or sugar free jello (allowed per my coach) if I want a snack. The water makes the difference for me. I drink a gallon a day and a bottle of water will usually curb my appetite for about an hour, and then I just drink more water!! LOL
Bottom line, eat the snack when your body tells you...as long you eat 3 IP packs a day, it's up to you when you do it!
Hope it's a good Saturday!
Ken