Question 1

How many hours should I revise per day?

Accepted Answer

Research suggests 3-5 hours of focused revision per day is effective for most students. This should be broken into 90-minute blocks with breaks in between. Studying beyond 5-6 hours per day typically yields diminishing returns due to cognitive fatigue.

Question 2

Why are 90-minute study sessions recommended?

Accepted Answer

The brain naturally works in cycles of roughly 90 minutes (ultradian rhythms). After 90 minutes of focused study, concentration and retention decline significantly. Taking a 15-20 minute break between sessions helps maintain peak performance throughout the day.

Question 3

Should I spend equal time on all subjects?

Accepted Answer

Not necessarily. Allocate more time to subjects you find harder or that carry more weight in your overall grade. This calculator divides hours equally as a starting point, but you should adjust based on your strengths, weaknesses, and the weighting of each exam.

Study Planner Calculator

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