Some of you have been asking about Formal nights on the first few cruises so you can factor this into where you make specialty restaurant reservations and other plans.   Formal nights are as follows on the first three Crystal Serenity Cruises.   July 31st voyage - Two, August 4th Calvi and 10th Sea Day August 12th voyage - One, August 19th Sea Day August 22 voyage - One, August 28th Sea Day   Symphony will not have formals