The amount of time you have to cancel a+𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸) Royal Caribbean cruise depends on when you cancel and the type of fare you booked: 
Within 24 hours of booking: You can receive a full refund if you cancel +𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸)within 24 hours of booking, as long as the cruise departs at least two days later. At least 90 days before +𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸)sailing: You can receive a full refund if you cancel at least 90 days before sailing. 
Between 89 and 48 days before sailing:+𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸) You'll incur penalties if you cancel during this time. 
Within 48 hours of sailing: You can receive a future+𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸) cruise credit under Royal Caribbean's "Cruise with Confidence"+𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸) policy, but you won't receive a cash refund. Less than 48 hours before sailing:+𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸) You'll typically incur a penalty, often losing your entire fare. +𝟙\𝟠𝟠𝟠\𝟠𝟚𝟡\𝟘𝟠𝟠𝟙(𝕌𝕊𝔸)