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Time Blocking Planner

I used to plan study time by writing it in my phone’s notes app as a wish list. “Stats, Chem, Essay.” Three words, no times, and by Wednesday I had done a bit of Stats and none of the other two. The list was not wrong, it was just not a plan. Nothing in it said when, and so everything in it lost to whatever was closest.

The fix was embarrassingly simple: give everything a time and a length. Once a task has a 50-minute slot in it, the question stops being whether you feel like doing Stats and becomes whether you would rather keep the slot or move it. That is a much easier question, and it is the whole idea behind time blocking.

This planner does the scheduling. You tell it when your day starts, when it ends, how long you can genuinely focus, and what has to get done. It cuts the tasks into blocks, spreads them across the days, and hands back a timetable with real start and finish times that you can copy or download.

Tell it when you can study, how long you can focus, and what has to get done. It cuts your tasks into blocks, spreads them across the days you picked, and hands back a schedule with real start and end times. No account, nothing uploaded.

Blocks are placed in priority order, and the leftover short block is folded into the one before it rather than left as a 5-minute stub. A block longer than 90 minutes is a guess, not a plan.

What the planner decides for you

Block length. 50 minutes is the default, and that is not a magic number. It is roughly what most people can hold before attention drops off, with a 10-minute break after. If your institution recommends Pomodoro, set 25 and 5. If you have found you work in longer stretches, set 90. What matters is that you set it honestly rather than optimistically, because the plan is only as good as the block length is true.

Order. High-priority tasks get placed first, then normal, then low. Inside a priority band, the bigger task goes before the smaller one, so a 4-hour reading does not get squeezed behind three 20-minute chores.

Stubs are not scheduled. If a 3-hour task at 50-minute blocks would leave a 10-minute remainder, the last block absorbs it and becomes 60 minutes. A 10-minute slot is not a study session, it is a slot you will skip, and skipping it teaches your calendar to lie.

Blocks are dealt across days, not stacked. Each block goes to the next day in the rotation, so a 4-hour task spreads over four days instead of eating Monday. Your heaviest subject ends up interleaved rather than crammed, which is also how your memory handles it better.

Shortfalls are named. If you ask for 20 hours of work inside a week that holds 12, the tool says you are 8 hours short and lists which blocks have no home. It does not quietly pretend they fit.

Worked example

Say your day runs 09:00 to 17:00, you take a 60-minute lunch, you focus in 50-minute blocks with 10-minute breaks, and you have five days. That is 480 minutes a day, minus 60 for lunch, which leaves 420 usable. With a 60-minute cycle, that is 7 blocks a day, so 35 blocks across the week — about 29 hours of actual focus time, which is the number that matters, not the 40 hours between waking up and going to bed.

Your tasks: a 3-hour problem set (high), a 2.5-hour essay (normal), and 1.25 hours of reading (low). That is 6 hours 45 minutes, so 9 blocks. Sorted: the problem set becomes 4 blocks, the essay 3, the reading 2. Dealt across five days, it comes out close to this:

  • Day 1 — 09:00 to 09:50 problem set, 10:00 to 10:50 essay.
  • Day 2 — 09:00 to 09:50 problem set, 10:00 to 10:50 essay.
  • Day 3 — 09:00 to 09:50 problem set, 10:00 to 10:50 reading.
  • Day 4 — 09:00 to 09:30 problem set, 09:40 to 10:05 reading.
  • Day 5 — 09:00 to 09:50 essay.

Nobody works past 11 a.m. on this plan, and that is the point. Most people fail a study plan by scheduling a 12-hour day on paper and abandoning it by 2 p.m. on day one.

Where the plan is deliberately dumb

It does not know about your lecture timetable, your shift at work, your commute, or the fact that you are actually worse at Stats after lunch. A planner that knew those things would need your whole calendar, and I am not building something that asks for that.

So the plan is a first draft with real times in it, and you move the pieces. Swapping two blocks is the entire editing process. The value was never the output, it was having the tasks broken into sizes and dealt onto a grid, because a blank Tuesday afternoon is a much easier problem to solve than a vague sense of being behind.

It also cannot tell you which task to cut. When you are short on time, the tool lists what does not fit. Deciding whether the reading or the essay goes is your call, and it is the call that actually matters.

How to make this survive contact with a real week

Block for 80% of your day, not 100%. The 60-minute lunch is not a luxury in this tool. It is there so the plan has room for the thing that always happens: a late bus, a friend at the door, a question from a classmate that turns into an hour. A plan with no slack is a plan that breaks by Wednesday.

Set the block length from evidence, not ambition. Time yourself on one study session. If you lost focus at minute 35, set 35.

Put the hardest task in your best slot. The plan spreads things evenly, which is fair and not optimal. If you know you are sharp at 08:00 and useless after 16:00, build the plan, then move the problem set to the morning slots. That is what the copy and download buttons are for.

Do not re-plan every day. Re-planning is itself procrastination, because it feels like progress. Set it up on Sunday, run it for the week, and only rebuild when something real changes.

Mark what you actually did. The plan is a prediction. Over a term, the gap between the plan and reality is where the useful information is, and you only get it if you write the plan down before you start.

Frequently Asked Questions

How long should a study block be?

Whatever you can genuinely sustain, which is usually less than you think. 25 minutes with a 5-minute break is the classic Pomodoro, 50 with 10 is the most common default, and 90 with a real break is for material you already understand. The number matters less than whether you finish the block you set. A plan built on 90-minute blocks that you abandon at minute 40 is worse than a plan built on 40 minutes that you keep.

How many hours a day should I plan to study?

Fewer than you think, and be honest about the block length. A 9-to-5 window with a 60-minute lunch and 50-minute blocks gives seven blocks, which is about six hours of real work with breaks in between. Most students overestimate what they can do in a day and then abandon the whole system in week two. Consistency across a whole term beats a heroic plan that lasts four days.

Why does the planner spread one task across several days instead of finishing it in a row?

Two reasons. Spacing study sessions out over days is better for retention than cramming, so a four-hour problem set finished on Monday in one sitting and a four-hour problem set finished across four days are not the same amount of learning. And a plan that never has more than one block per task per day survives contact with an actual week, because a single missed afternoon does not take the entire week with it. If you want it in one go, build the plan with a single day selected and it will do exactly that.

What if I do not have enough time for everything I listed?

Then the tool tells you how far short you are and which blocks did not get a home, instead of pretending they fit. Your options are the obvious ones: add a day, move the end time, or drop something. Dropping is the one people avoid and should consider first, because a plan with four things on it gets four things half-finished, while a plan with three gets three done.

Do I need an account, and does it upload anything?

No account, and nothing is uploaded. The whole planner runs in your browser, your task list is never sent anywhere, and nothing is stored between visits. That also means the plan disappears when you close the tab, so use the Download as Text button if you want it in your notes app or your phone. It is a plain text file you can read, edit, and paste wherever you keep the rest of your week.

Other tools

Build the plan, then move the first block to the time you would actually choose. A plan you edit is a plan you will follow, and editing takes ten seconds.

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