The direct answer

Put both jobs on one master timetable each week, and find one study block of 45 minutes a day in the gaps, five or six days a week. In each block, test yourself on one topic from memory and check your answers. Review the week on Sunday, rebuild the timetable when the rotas change, and keep one day free. That is the whole system.

You finish one job and start the other. Your free time is not an evening. It is a gap: an hour here, 45 minutes there, gone by the time you have eaten. A study system built for one job does not fit, because one job has a rota and two jobs have two rotas that never line up.

So this system starts with the timetable, not with the study. Both jobs go on one page, the gaps become visible, and the study blocks go into the gaps, one a day. The plan is rebuilt every week when the rotas change. One block a day, done every day, is a real study system. The two-hour study system for working students is the parent system; this article shrinks it to one block a day for two jobs. If you have one full-time job instead, the study system for students with a full-time job is the fuller version of the same idea.

The system in short

  1. Put both jobs on one master timetable, every week, the day the rotas come out.
  2. Find one study block of 45 minutes a day in the gaps, five or six days a week.
  3. In each block, test yourself on one topic from memory, then check your answers.
  4. Keep one day a week free of study and work if you can, or at least free of study.
  5. Review the week on Sunday, in 15 minutes, and rebuild the timetable for next week.
  6. When a week is impossible, cut to the minimum: three blocks, testing only.

Step 1: One master timetable for both jobs

Get a blank week: seven days, hours down the side. Write in Job A, then Job B, then classes, travel, and sleep. What is left is your time. It will look small. That is the truth of two jobs, and the plan has to start from the truth.

Now place the study blocks in gaps of 45 minutes or more. A gap between jobs is the best slot: you are already out and awake. A gap at home in the evening is second best. Do not place a block in a gap of less than 45 minutes. A 20-minute gap is for eating, resting, or travelling, not study.

Write the blocks on the timetable with the topic next to each one: “Tuesday 4pm: test Topic A.” A block with a topic written next to it happens. A block with no topic is a blank space, and blank spaces fill themselves.

Step 2: One block a day, one topic per block

One block, one topic. Do not split a 45-minute block between two topics. Every switch between tasks costs time, and the cost grows as tasks get more complex: Rubinstein, Meyer and Evans (2001) measured mean switch costs of 614 to 1,096 milliseconds per switch. With only 45 minutes, you cannot afford the re-loading.

Use an if-then plan for the start of each block, so starting needs no decision. If-then plans raised goal attainment by a medium-to-large amount (d = 0.65) across 94 studies (Gollwitzer & Sheeran, 2006), because the cue and the action are decided in advance. Decide the start in advance, or the gap fills itself.

If a day has no gap at all, that day has no study. Do not borrow from sleep. Sleep is when the day’s learning is consolidated — a short night after a long study day means the work was done but the consolidation was cut short (Diekelmann & Born, 2010).

Step 3: Test yourself, then check

In the block, close your notes and answer questions from memory, work problems, or write down what you remember. Then open your notes and check. Mark what you got wrong. That is the block.

In a 2013 review, Dunlosky and colleagues rated ten common study techniques, and only two received a high utility rating: practice testing and distributed practice. Re-reading was rated low. A later meta-analysis found testing yourself beat restudying by a medium amount (g = 0.50), and the advantage was larger with feedback (g = 0.73 with feedback, against g = 0.39 without it) (Rowland, 2014).

Roediger and Karpicke (2006) found students who recalled a passage remembered more a week later than students who restudied it. Feeling fluent right after re-reading is not the same as remembering a week later.

Keep a wrong-answer list: one line per question you got wrong, in a small notebook you carry between jobs. Test those questions again the next day, and again after three days. Use a practical starting schedule: review a topic the next day, then after three days, then after seven days. This 1–3–7 schedule is a practical starting point, not a research rule.

Step 4: Rebuild the plan every week, and cut when you must

Every Sunday, spend 15 minutes rebuilding. Get both rotas, make a new master timetable, and place the blocks. If you completed fewer than half of last week’s blocks, the plan was too big. Make next week’s plan smaller, not bigger.

Know your minimum week in advance: three blocks, testing only, no new material. Switch to it before a hard week starts. Cutting the plan on Sunday is a decision. Cutting it in the moment, when you are tired, is a collapse.

A daily study habit takes weeks to feel automatic — a median of 66 days in one study, with a range of 18 to 254 — and one missed day does not reset it (Lally et al., 2010). The goal is a system you return to after a missed day or a rota that changed everything.

If your weeks are busy in a different way — one job, but a packed study week — the study system for students with a busy week covers the same cutting-down idea for a single rota.

A worked example: a week with two jobs

You work Job A (a shop) on Monday, Wednesday, and Friday afternoons, and Job B (evenings in a café) on Tuesday, Thursday, and Saturday. You have classes in the mornings. Your gaps are between classes and shifts, or after the first shift ends.

Day Jobs Study block Minutes
Monday Job A 2–6pm 6:30–7:15, test Topic A 45
Tuesday Job B 5–9pm 3:00–3:45, test Topic B 45
Wednesday Job A 2–6pm 6:30–7:15, review Topic A 45
Thursday Job B 5–9pm 3:00–4:00, mixed test 60
Friday Job A 2–6pm 6:30–7:15, learn Topic B 45
Saturday Job B 5–9pm 10:00–11:30, long session 90
Sunday No work 15-minute review, rest day 15

That is 345 minutes in the week: 240 in weekday blocks, 90 on Saturday, and 15 for planning. The numbers are the plan’s own totals, not a research finding. The shape is what matters: one block a day, in the gaps, one longer session on the freer day, and a rest day with a short review.

Diagram: Your study minutes across the week

The system in a diagram

Diagram: The one-block-a-day system for two jobs

When it goes wrong

Both rotas change in the same week and the plan is useless. Rebuild it the evening the new rota arrives, in 10 minutes. Move the blocks to the new gaps. If the new week has fewer gaps, switch to the minimum week: three blocks, testing only. A rebuilt plan is the system working. Keeping the old plan and missing every block is the failure.

You study between jobs, but you are too tired to remember anything. The gap between jobs is not always a good study slot. If the first job is physical or the shift was long, the gap is for food and rest. Move the block to a day with a lighter first job, or to the morning before classes. A block done tired is a block that teaches you that studying does not work. Rest first, then study.

One job asks for extra shifts and study disappears for a fortnight. Decide in advance how many extra shifts you will take. If you take them, switch to the minimum week and keep three blocks. Three blocks a week keeps the habit alive. Zero blocks for a fortnight kills it.

You feel behind both jobs and behind your course, and you stop entirely. Stop, and restart small. One block, tomorrow, on the easiest topic, testing only. Do not try to catch up on two weeks of study in one day. A daily habit takes weeks to feel automatic, and one missed day does not reset it. The restart is one block, not a new plan.

Weekly review checklist

Copy this list and use it every Sunday:

  1. How many of the planned blocks did I complete, and which did I miss?
  2. Which questions are still on my wrong-answer list after three tests?
  3. What do next week’s rotas look like, and where are the gaps?
  4. Is this a normal week or a minimum week: three blocks, testing only?
  5. What one change will I make next week: different gap, shorter block, or fewer extra shifts?

Downloadable infographic spec: one vertical image, title “One timetable, one block a day”, with the master timetable, the one-topic rule, the memory-first rule, and the five-question weekly review, in Thynq cream, Cloud Purple, Dark Purple and pink, with the cloud mascot. Text taken word-for-word from this article.

What this system is not

It is not a promise of a grade, and it is not a claim that 45 minutes a day is enough for every course. Some courses need more, and two jobs may simply not leave enough hours. It is a system for doing steady work inside the gaps two jobs leave you, and checking honestly whether that work happened. If your course needs more hours than the gaps give, the honest answer is to change the hours — fewer shifts, a lighter term, or a longer timeline — not to pretend the same hours will do more.

Sources

  • Dunlosky, J., et al. (2013). Improving students’ learning with effective learning techniques. Psychological Science in the Public Interest, 14(1), 4-58. Only practice testing and distributed practice received a high utility rating; rereading was rated low.
  • Rowland, C. A. (2014). The effect of testing versus restudy on retention: a meta-analytic review of the testing effect. Psychological Bulletin, 140(6), 1432-1463. Testing beat restudy by g = 0.50; with feedback g = 0.73, without feedback g = 0.39.
  • Roediger, H. L., & Karpicke, J. D. (2006). Test-enhanced learning. Science, 311, 648-649.
  • Cepeda, N. J., et al. (2006). Distributed practice in verbal recall tasks. Psychological Bulletin, 132(3), 354-380.
  • Gollwitzer, P. M., & Sheeran, P. (2006). Implementation intentions and goal achievement: a meta-analysis. Advances in Experimental Social Psychology, 38, 69-119. If-then plans raised goal attainment by d = 0.65 across 94 studies.
  • Rubinstein, J. S., Meyer, D. E., & Evans, J. E. (2001). Executive control of cognitive processes in task switching. Journal of Experimental Psychology: Human Perception and Performance, 27(4), 763-797. Mean switch costs were 614 to 1,096 milliseconds per switch.
  • Diekelmann, S., & Born, J. (2010). The memory function of sleep. Nature Reviews Neuroscience, 11(2), 114-126. Sleep improves consolidation of what was learned.
  • Lally, P., et al. (2010). How are habits formed: modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998-1009. Median time for a behaviour to feel automatic was 66 days, range 18-254.

For the full system behind these blocks, start with the two-hour study system for working students, and for the one-job version, read the study system for students with a full-time job.

Questions

How can I study with two jobs and almost no free time?

With one short block a day, not two. A single 45-minute block, five or six days a week, is a real study plan when your hours are split between two jobs. The block is short, but it happens every day.

What if my two jobs have different rotas every week?

Build one master timetable each week with both rotas on it, and place the study blocks in the gaps. The plan changes every week because the rotas change every week. That is normal, not a failure.

Which job should I cut back if study is suffering?

That is a money decision, not a study decision. Count the hours each job takes, count the hours study needs, and see the gap in numbers before you decide anything.

What do I study when I only have 45 minutes?

Test yourself on one topic from memory, then check your answers. One topic, one block, every day. Do not try to cover two topics in one short block — switching between topics costs time and focus.