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.
Pre-Bariatric Surgery Nutrition. You can expect your pre bariatric surgery weight loss diet to be high in protein, but low in calories, fats, and carbohydrates, especially refined sugars and saturated fat. The pre-surgery diet usually ranges from 800 to 1200 calories per day with about 70 to 120 grams of protein each day.