jayw4862:If I started a game, say 10 minutes before the next day (here it is 7pm every night) started, and finished on the new day, would I miss a day, or because I started on one day and finished on another, get credited with 2 days?
One game - one CDP bonus max.
The point is, you have to finish(!) a game in any given GMT day to keep the CDP unbroken. One hole through the "courses" tab is sufficient, but be sure to "return to main menu".
Regarding the boost, it will count everything finished in it's span and started within. The latter allows to wait for the next CDP with the last game.