It divides a day into three categories: essential time (for necessary activities like eating and sleeping), restricted time (including work, school, housework, commuting, etc.), and free time. The average amount of free time in a day was 5 hours and 54 minutes. The piechart shows only the use of free time.
將一天時間分為「必要時間」（吃飯、睡覺等必要作息）、「約束時間」（含工作、上學、通勤、家務等）、「自由時間」3 類；其中平均每日自由時間為 5 小時 54 分，上圖即為自由時間的運用方式。