We are doing the 7 night Mediterranean cruise from Barcelona in a few months. Any tips would be greatly appreciated. This will be our first overseas cruise. My question is when booking an excursion is it 90 days from their time zone or 90 days from mine. I thought I saw on a DCL show where they were talking about it. I thought I heard them say it was based on their time zone. Any information that you could give us would be greatly appreciated because we don’t want to miss out on the good part. Excursions.