The Open time of this event is the time when entry through your My Page becomes possible and you can access the pier in front of the ship.
The Start time is the overall start time of the event, when you can board the cruise ship, which serves as the main venue for the event. You can enjoy the permanent onboard content at any time during the event period.
The Opening Party is a special event held on the evening of the event's first day (JST) to commemorate the start of this event. This particular event will be live-streamed, so please be sure not to miss it.