A cruise ship is a constantly moving property. As a ship moves around the world, the time zone settings for the shipboard systems need to change daily to align with the time zone in which the ship is sailing.
There are two methods of changing the time zone:
A ship’s master clock communicates the current time zone settings. When someone changes the master clock’s time zone, all shipboard systems (for example, property management system (PMS) and point of sale (POS)) automatically update their settings to ensure consistent date and time stamp posting across all applications.
A system administrator manually sets the ship’s time zone within the PMS and POS applications.
Oracle recommends that you perform the following tasks:
Close all checks before changing the time zone.
Change the time zone once per day during a slow period of operations (for example, between 2:00 a.m. and 5:00 a.m.).