Security & Police Shift Calculator

Free shift calendar for security guards, police officers, and fire service. Pre-loaded with the 4-on-4-off pattern. Switch to EOWEO/Kelly or any other emergency service rota.

The 12-hour shift is the spine of security work

If you've worked a manned guarding contract, you already know the rhythm: long shifts, usually twelve hours, with very little in between. You clock on, you take the handover from whoever's been holding the site, and you're there until the next officer relieves you. It's a different life to a nine-to-five, and people who haven't done it tend to underestimate how much of yourself those twelve hours take.

What makes the hours bearable is when the rota is honest with you. A run of long shifts is a lot easier to plan your life around when you can see it laid out in front of you — which days you're on, which are days and which are nights, and where the clear block of rest lands. That's really what this page is for. Pick the pattern you actually work, and the calendar maps it out across the months so you can stop carrying the whole rota around in your head.

Static sites, doors, events and patrol all wear the rota differently

Security isn't one job. A static officer on a corporate reception is doing something very different to a door supervisor on a Friday night, and both are a world away from a mobile patrol driver covering a string of empty units. The shift patterns reflect that. On a fixed manned site you'll usually be on a settled rota that repeats, so you know months ahead which weekends you're working. Door and event work is far more booking-led — you might get a week's shifts confirmed at a time, and the hours land late and finish later.

Retail and corporate guarding tends to sit somewhere in between: regular sites, regular faces, but cover that flexes with the client's needs and the seasons. Mobile patrol adds driving between sites into the mix, which changes how tired you are by the end of a night even when the sites themselves are quiet. Whatever corner of the industry you're in, the same calendar works — you're just setting it up to match the shape of your week.

4-on-4-off, and why so many firms run it

If there's one pattern that defines British security, it's 4-on-4-off: four twelve-hour shifts, then four days off, with days and nights rotating through. There's a reason it's everywhere. Four teams on this pattern cover a site around the clock with no gaps and no team carrying more than its share, and the maths just works for a 24/7 operation. It's loaded by default in the selector above for exactly that reason.

For the officer, the appeal is the block of four days off. That's real time — enough to actually recover, see family, get to appointments you'd otherwise never make. It's predictable in a way shift work often isn't, and that predictability is worth a lot when you're trying to build a life around the job. If you want to compare it against neighbouring rotas, the 4-on-4-off calculator, the continental pattern and 4-on-2-off are all here to play with.

Nights, lone working, and the boredom-then-vigilance reality

Anyone who's done nights on a single-officer site knows the strange shape of them. Most of the shift is routine — patrols, log entries, the same corridors, the same car park, the hum of an empty building. And then, occasionally, it isn't, and you need to be fully switched on in seconds after hours of nothing happening. That swing between boredom and sudden vigilance is the part of the job that's genuinely hard to explain to people outside it.

Lone working sharpens all of that. There's no colleague to share the dull stretch with and nobody beside you when something kicks off, so your check-in arrangements and your escalation points stop being paperwork and start being the thing that matters. Going into a run of nights already worn down is where mistakes creep in. The most useful thing you can do off-site is protect your sleep, and that's a lot easier when you've mapped the run out in advance and know which daytime hours you're meant to be asleep rather than running errands.

Planning sleep and family time around long shifts

The hardest thing about security shifts often isn't the shifts themselves — it's everything that has to fit around them. Daytime sleep after a night run, childcare handovers, a partner who works ordinary hours, the appointment that's only ever offered at two in the afternoon. None of it sorts itself out. It has to be planned, and it's far easier to plan when the whole rota is in front of you instead of reconstructed from memory each week.

That's the practical use for the calendar here. Seeing your nights and your clear blocks laid out across the coming weeks lets you decide in advance where sleep goes, when you're genuinely free, and which family things you can realistically commit to. It won't make the hours shorter, but it takes a lot of the guesswork — and a lot of the friction at home — out of working them.

Map your security rota with this calculator

This is a general planning tool, not an HR system, and it works the same whether you're SIA-licensed on a static contract or picking up event shifts. Here's the quickest way to get your own rota on screen:

Step 01

Choose your pattern in the selector above. 4-on-4-off is ready by default; switch it if your site runs something else, or build a custom rota.

Step 02

Set your team or starting point so the days and nights line up with the run you're actually on, not someone else's.

Step 03

Read the calendar across the months. UK bank holidays are flagged, so you can see at a glance which fall on shifts.

Step 04

Export to your phone or calendar app, then plan sleep, childcare and time off around the blocks you can see coming.

Security shift questions, answered honestly

What shift pattern do most security officers actually work?

On most static guarding and manned contracts you'll be on long shifts, usually 12 hours, often arranged as 4-on-4-off with days and nights rotating. Plenty of door supervision and event work is more ad-hoc, booked shift by shift. The pattern you end up on depends heavily on the site and the client, so the best way to plan around it is to pick the rota you're given in the selector above and see where your on and off days actually fall.

Why is 4-on-4-off so common in security?

Four teams on a 4-on-4-off rota cover a site around the clock with no gaps, and the days and nights split cleanly between them. For the officer it means a predictable block of four shifts followed by four days off, which makes it far easier to plan sleep, childcare and a life outside work than a rota that changes week to week. That predictability is a big part of why it has stuck in the industry.

How do I cope with the long night shifts?

Treat your sleep like part of the job. Most people who hold up well on nights keep the same wind-down routine across their run of shifts rather than flipping back to a day schedule on the first night off. Blackout the room, deal with the phone, and let the people you live with know your sleep hours. Mapping the run out on a calendar before it starts helps you protect those daytime sleep windows instead of losing them to errands.

What is lone working like on a night shift?

On a quiet single-officer site the night can be long and uneventful, then turn on you in seconds. The honest reality is hours of routine patrols and log entries broken by moments that need you fully switched on. Knowing your check-in arrangements, your escalation points and where help comes from matters more than anything, and going into a run of nights rested rather than already worn down makes a real difference to how sharp you stay.

Can I use this calculator if my security rota isn't a fixed pattern?

Yes. 4-on-4-off is loaded by default because it's so common on manned sites, but you can switch patterns or build a custom rota in the selector. If your work is booked shift by shift, as a lot of door and event work is, you can still set up the closest repeating pattern to get a feel for how your days off land, then adjust around the bookings you're actually given.