You won't find out until you get your KTTW card. Then only if you can decipher it will you be able to tell until you reach your room and find the tickets with the days on them. Yes they have the CB no at sea days except Western when there is one on Key West day (which I just learned).
It is the first morning at sea after your dinner in Animator's Palate. So if you have LAPLAPL you will have the CB on Monday morning at sea.
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