My 20-Minute Weekly Review: How I Plan the Week With a Calendar, Notes and One AI Chat

For years I treated Sunday evening as a low hum of dread about everything I hadn't thought through yet. The fix wasn't a better app. It was twenty minutes, one page of notes, and a rule about what the AI is allowed to do.

Most weekly review advice is written for people who enjoy productivity systems. I like them in the way I like a tidy garage: pleased when it exists, unwilling to spend a Sunday maintaining it. So my review is deliberately small. It has run for months, it takes about twenty minutes, and it only survived because I kept cutting things out of it.

The short version: what my weekly review is

Five steps, in this order, on Sunday late afternoon with a cup of tea:

1. Look back (3 minutes). Scroll last week's calendar. What happened that I forgot about, and what didn't happen that I thought would?
2. Empty the inbox of ideas (4 minutes). Everything I jotted into my phone during the week gets filed into a task, a note, or the bin.
3. Check the task list (4 minutes). Anything overdue is either done this week, rescheduled honestly, or deleted.
4. Look forward (5 minutes). Read next week's calendar and pick the three things that would make the week a success.
5. Ask the AI to argue with me (4 minutes). More on that below, because it's the only step that surprised me.

What I use, and why it's boring on purpose

A calendar, one note, and a task app. That's the whole kit. I tried a dedicated review template in a database app and it took longer to fill in than the review itself, which defeated the point. I keep the three priorities in a single note called "This week" that I overwrite every Sunday, and my tasks live in the system I describe in my Todoist task system guide. If you're still choosing between apps, the three productivity apps I kept out of fifteen covers why I ended up keeping so few.

I covered the same instinct from a different angle when I compared Todoist against Apple Reminders: the fancier tool wins on structure and loses on friction. A weekly review is the extreme case, because the entire value is that you actually do it. (I also tried doing the notes by hand; if that appeals, my first week handwriting notes on an iPad explains why I still type this one.)

The step that surprised me: asking the AI to argue

I was sceptical of putting AI anywhere near this. Most of what I've read about AI and productivity is about generating more output, and my problem was never a shortage of output. I wrote about that scepticism in the AI productivity myth, and I haven't changed my mind about the headline claim.

But there's one narrow job it does well. I paste in next week's calendar (with names and client details stripped out) plus my three priorities, and I ask a single question: where is this week unrealistic, and what am I probably avoiding? It's consistently good at spotting the boring arithmetic I skip over. Four meetings on Wednesday plus a priority that needs a two-hour block. A "quick" task that has sat on my list for nine weeks. A Thursday with nothing in it that I've mentally promised to three different things.

It doesn't decide anything. It's a second pair of eyes with no ego about my plan, and I override it about half the time. I run it in one saved chat rather than starting fresh each week, using the approach in my ChatGPT Projects weekly workflow, so it remembers what I said I'd avoid last time and can point out when I'm doing it again.

"The AI doesn't plan my week. It just won't let me pretend Wednesday is empty."

What I deliberately left out

• Goal-setting. Quarterly goals live somewhere else. Mixing them in turned a twenty-minute habit into a forty-minute ordeal and I skipped three Sundays in a row.
• Colour-coding and tagging. I enjoyed building it and never once benefited from it.
• A scored "how did I do" rating. It made me defensive. A one-line note to myself is honest; a score turns into a performance.
• Letting the AI write the plan. The one time I did, the week looked beautiful and bore no resemblance to my life.

What went wrong along the way

I skipped it the weeks I most needed it. Busy weeks felt like they didn't have twenty minutes spare, which is exactly backwards, so I now do a five-minute version, steps one and four only, rather than nothing. I also used to start the review by opening my inbox, which sucked me into replying to messages for an hour. Email is not part of the review. If something in it matters, it's on the calendar or the list already.

And there's a privacy habit worth stating plainly: the paste into the AI chat is trimmed of names and anything I wouldn't want in a stranger's inbox. If you work with confidential material, check what your employer allows before you paste anything at all.

If you want to try it this Sunday

Set a twenty-minute timer, open your calendar and one blank note, and write down three things that would make next week a success. That's the whole minimum. Add the AI step in week two, once the habit exists. If you want one honest tech and productivity experiment in your inbox each week, join the Brite newsletter. I only write when there's something worth saying.

Questions people actually ask

How long should a weekly review take?

Twenty minutes is my ceiling. Past that it stops being a review and turns into planning, and planning has a way of becoming a Sunday-evening mood. If it regularly runs over, the cause is almost always a pile of open tasks that should have been deleted weeks ago, not a lack of time.

What is the best day to do a weekly review?

The one you will actually do. I use Sunday late afternoon because the week behind me is still fresh and the week ahead hasn't started shouting yet. Friday afternoon works for plenty of people, but I found I was too tired by then to be honest about what had slipped.

Can AI do my weekly review for me?

Not the useful part. The useful part is deciding what matters, and that has to be you. I use an AI chat for one narrow job: I paste in my notes and calendar, and it tells me where the week looks overbooked and what I've quietly been avoiding. It's a second pair of eyes, not a replacement for the review.

What do I need for a weekly review?

A calendar, one place for notes and a list of open tasks. That's it. I use my phone's calendar, a single note, and Todoist. If you need a new app to start, you've found a reason to put it off.

Is it safe to paste my calendar into an AI chat?

Think before you do it. I strip out names, client details and anything private, and I use a chat with history turned off for this. If a detail would embarrass me in someone else's inbox, it doesn't go in the paste.