Originally Posted by hhoope01

2. Marriott uses a 12 month rolling calendar for achieving a higher elite status. Therefore, for you to achieve Plat status, you don't have to necessarily get 75 nights in a calendar year. You only need to get 75 nights within a 12 month window. I'm not sure how or whether Marriott counts those rollover nights toward your 12 month window. Someone else may be more up on that part and can chime in. I would guess they count based on when they are posted to your account, but that is just a guess.