I have to drive 1 1/2 hours to the low cost clinic for surgery and have to be there by 9am so have to trap the day before. I usually start trapping around 4pm but at 75 years old I have difficulty driving when it is dark. I bring the cats to my garage, feed them till midnight, remove water when we leave in am. I'd like to trap earlier but obviously do not want the cats in trap too long. When is earliest I can trap? Thanks.