Go to Shipmate.com you can create an account. You can add the year, ship, it will bring up the itinerary with the exact dates and islands.
We were in the same boat so to speak…so now we have a log of all the cruises and places we’ve been. It’s a pretty neat site. Try it and write back to see how it went. My wife was on a Norwegian cruise in 1986 could not find that one…
have fun..