As part of its ongoing process to make AP course and exam materials more effective for teachers and their students, the College Board released to educators a redesigned AP U.S. Government and Politics Curriculum Framework (.pdf/3.1MB). The redesigned course and exam will launch in the 2018-19 school year.
Ideally, best times of day to supplement with creatine would be around 30 minutes to 1 hour before your training session and immediately post-workout alongside your protein shake.
As you become more physically fit, you will be able to work out at a higher intensity or for a longer period of time. The time it takes to burn fat during your cardio workout will depend on how quickly you reach your target heart rate. For sedentary people, this could mean as little as five minutes into the workout, while more physically fit individuals may not begin the fat-oxidation process until later in the workout.