What's the scoop?
Starwood Preferred Guest's annual hotel category changes takes place on March 10th and 268 properties are going up or down in category.
So if you are thinking of booking one of the Starwood hotels that's moving up in category, you need to book by Monday, March 9th 2015 to save on points. That's tomorrow! If you book by then, you can stay up to a year from now, as long as the reservation is confirmed.
If a property you're interested in has moved down in category, then it's better to book March 10th onward for the cheaper points rate.