How to remember things you only have to do once a year

Once-a-year tasks are a genuinely different memory problem, and it’s worth saying why before reaching for any tool. Everything else you remember, you remember because it repeats. Daily things get carried by routine. Weekly and monthly things get carried by rhythm — you notice when they’re overdue. A task that comes round once every twelve months has none of that. You do it, you feel briefly organised, and then the memory has eleven months of nothing to survive. It doesn’t.

So the trick isn’t remembering harder. It’s building something outside your head that survives a year of silence.

Start with an anchor date

This is the single best thing on this list and it costs nothing: stop trying to remember the task, and tie it to a date you already can’t forget.

Your brain is terrible at “sometime in March.” It’s very good at “my birthday.” So pick a date you already register every year without effort and hang the annual job on it:

A birthday — yours, or one you never miss anyway.
The clocks changing, spring and autumn. This is the classic one for smoke-alarm batteries, and it works because the whole country reminds you.
New Year’s Day, or the first weekend of a season.
Something you already do annually — the day you file something, the day a bill lands, the first cold morning you put the heating on.

Then batch. If you’ve got five annual chores, don’t scatter them across the year where each one has to survive alone. Put three of them on one anchor date and make it a half-hour job you do once. One remembered date carrying five tasks is far stronger than five dates carrying one each — you’ve turned five independent chances to forget into one.

The catch is honest: this only works when the task’s timing is flexible. Anything with a fixed deadline needs the date it needs, and that’s what the next section is for.

The free setup that covers most of it

For the majority of once-a-year items, a recurring yearly calendar event is genuinely enough, and anyone telling you otherwise is selling something. It’s free, it’s already on your phone, and it will still be there next year when you’ve forgotten you set it.

A few details make the difference between one that works and one that doesn’t:

Set it to repeat yearly. The whole point is that you never have to think about it again. A one-off event next March is a task you’ll have to re-create every year — which is the same forgetting problem wearing a different hat.
Give yourself lead time, not the deadline. Set the reminder for two or three weeks before the thing is actually due. A reminder that fires on the day is a reminder that arrives too late to do anything about — annual tasks usually need an appointment booked, a document found, or a form ordered.
Write the note as if to a stranger. In twelve months you will have no idea what “renewal — check” means. Write out what to do, where the account is, and what you needed last time. Your future self has genuinely forgotten.
Add a second, later nudge. One for “start this,” one for “this is due now.” The first one is the useful one; the second catches you if you ignored it.

That’s it. For most annual jobs — the filter, the service, the check-up, the subscription you keep meaning to review — this is the whole answer, and adding an app on top would be overkill.

Write down the ones you can’t see

There’s a second failure mode that no reminder fixes: you can’t set a reminder for a task you’ve forgotten exists. Some annual things you only remember when they go wrong.

The fix is a one-page annual list — a note, a spreadsheet, a page in a notebook, it doesn’t matter. Every time you catch an annual task in the wild, add it, with the date it happened and what it involved. Read the list once a year on your anchor date. After two years it becomes the actual system, and the reminders just execute it.

If you’d rather not build the list from scratch, the remind me to… pages cover the common annual ones one at a time — passport, driving licence, car registration, insurance, and the car’s MOT. Skim them for anything you’d forgotten you were on the hook for.

When a calendar reminder isn’t enough

A calendar event fires once, silently, into a phone that’s showing you forty other notifications. For most annual tasks that’s fine. There are two situations where it reliably isn’t:

The task you’ll actively avoid. Some annual jobs aren’t forgotten so much as postponed — you see the reminder, you think “not today,” and you swipe. Twelve months later you’re doing it in a panic. If a task has a history of being deferred rather than genuinely missed, the problem isn’t the reminder’s existence, it’s how easy it is to dismiss.

The one where a banner lands with no context. After a year of not thinking about something, a four-word notification doesn’t reconnect you to it. You register the words, not the job, and it’s gone.

For those, a phone call that reads the reminder out loud is a different kind of cue. It’s active rather than passive, it’s hard to dismiss without engaging with it, and hearing a full sentence — “Book the boiler service, the number’s in the kitchen drawer” — restores the context a banner can’t. That’s what ReminderCall does: you set the date and write the reminder in your own words, and it phones you and speaks it. Yearly is a supported schedule, so an annual reminder is genuinely set-and-forget.

It also rings through silent once you’ve done the one-time setup the app walks you through, which matters for a reminder that only gets one shot a year.

The honest caveats

A paid call is overkill for most annual tasks. If a free yearly calendar event with lead time would do the job — and for most items it would — use that. A call earns its place on the two or three things you actually avoid or genuinely can’t afford to miss, not on all fifteen.
Rarity cuts both ways. The strength of an annual call is that it’s rare enough to be startling. That only holds if you don’t turn everything into a call.
A call is a cue, not a guarantee. Like any call it depends on signal and carrier, and it can’t do the task for you. For anything critical, pair it with something you can verify — a document you can see, an appointment already in the diary. A reminder app is never a medical or emergency device.
Deadlines are yours to check. Whatever system you use, confirm the actual date with whoever’s on the other end of the obligation. A reminder is only ever as right as the date you gave it.

If the forgetting isn’t limited to annual things, the reminder app problem for people who forget everything covers the general case, and bill payment reminders covers the monthly end of the spectrum — a deliberately different problem, because monthly bills at least give you eleven more chances to notice.