Agreed. My schedule is exactly the same as yours (ceremony at 5:30, cocktail hour at 6, reception at 7) and I didn't indicate AM or PM on my invitation. I didn't feel it was necessary, and I had a professional stationer helping me with the wording of my invitations, so I trust her judgment.
Clear liquids, including water, clear tea, black coffee, carbonated beverages and fruit juice without pulp, up to two hours before surgery. Very light meals, like toast and tea with milk, up to six hours before surgery. Heavy meals, including fried or fatty foods and meat, up to eight hours before surgery.
3. Skip high-fat foods to help avoid discomfort. Eating the wrong things after gallbladder surgery can induce pain, bloating and diarrhea. To side-step this gastrointestinal discomfort, avoid eating high-fat or spicy foods, including: French fries and potato chips. High-fat meats, such as bologna, sausage and ground beef.