Southern Swing rota for 12 people: 4 teams of 3 on 8-hour shifts

Southern Swing takes 12 people as 4 teams of 3 and gives each team a whole week on one shift before moving it to the next: a week of mornings, a week of afternoons, a week of nights, always in that order. Nobody's shift changes from one day to the next. It changes once a block, and it always moves later in the day.

Every day of the grid puts 9 of the 12 on duty, 3 to each shift, and each person averages 42 hours a week on 8-hour shifts. Full weekends off come out at 13 a year, and all 4 teams get the same 13.

The grid runs 364 days from whatever date you start it, which is 13 turns of the same 4 weeks. Read down a team line rather than across a date. On this pattern the useful question is not which shift someone is working today, it is which block they are in and how far through it they are.

People

4 teams of 3

Hours a week

8-hour shifts

Cycle

28 days

13 cycles in the grid

On duty

every day of the cycle

Take the grid

364 dated days, 13 complete cycles, starting 2026-08-24 and ending 2027-08-22. Every shift is checked for coverage before the file is written, so no date in it leaves a shift unstaffed.

Download CSV Team A calendar Team B calendar Team C calendar Team D calendar

The first four weeks

Each row is a week, each cell a team's shift on that date. The full 364-day grid is in the download.

DDay06:00–14:00SSwing14:00–22:00NNight22:00–06:00

First four weeks of the Southern swing, 12 people rota
Team	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Week 1, from 2026-08-24
Team A	D	D	D	D	D	D	D
Team B	N	N	N	N	·	·	·
Team C	S	S	·	·	N	N	N
Team D	·	·	S	S	S	S	S
Week 2, from 2026-08-31
Team A	·	·	S	S	S	S	S
Team B	D	D	D	D	D	D	D
Team C	N	N	N	N	·	·	·
Team D	S	S	·	·	N	N	N
Week 3, from 2026-09-07
Team A	S	S	·	·	N	N	N
Team B	·	·	S	S	S	S	S
Team C	D	D	D	D	D	D	D
Team D	N	N	N	N	·	·	·
Week 4, from 2026-09-14
Team A	N	N	N	N	·	·	·
Team B	S	S	·	·	N	N	N
Team C	·	·	S	S	S	S	S
Team D	D	D	D	D	D	D	D

What this configuration costs

The night block is 7 shifts long. The break that follows it is 3 days, the longest break the cycle contains. Everything worth arguing about on this rota sits between those two numbers. The case for a week of nights is that a week is long enough to genuinely move a body clock, which is the reason to rotate slowly rather than in short blocks, and it is a real effect rather than a marketing line. Take that argument seriously, though, and it convicts the same grid: whatever a week of nights does to someone, they get 3 days to undo it, and the shift waiting on the other side is a morning start. Forward rotation is generous while it is going forward. Mornings into afternoons, afternoons into nights, each of those seams only asks a person to go to bed later, and each of them gets less than 3 days because it needs less. The seam from nights back to mornings is the one that runs the other way, it is what the 3 days are for, and every person on this rota crosses it 13 times a year. So once per cycle, all 12 of them spend longer on nights than the rest they get for coming off them. Everything else here is ordinary. That asymmetry is the pattern.

Weekends, by team

The 28-day cycle divides into whole weeks, so every team gets the same 13 full weekends off and nobody can argue the rota favours anyone.

Team	Sequence	Full weekends off
Team A	DDDDDDDOOSSSSSSSOONNNNNNNOOO	13
Team B	NNNNOOODDDDDDDOOSSSSSSSOONNN	13
Team C	SSOONNNNNNNOOODDDDDDDOOSSSSS	13
Team D	OOSSSSSSSOONNNNNNNOOODDDDDDD	13

Who runs this shape

The build is 4 lines of 3, which is what it takes to keep 3 people on every shift when the day is covered in 8-hour thirds, and it holds 9 of the 12 on duty at any point in the year. If the work needs more than 3 in the room in the middle of the night, this is the wrong headcount rather than the wrong pattern. What separates Southern Swing from the other ways to cover three 8-hour shifts is rotation speed, and choosing the slow one is a deliberate bet. You are buying a week in which the same 3 people own the same part of the day: the same handover partners every morning, the same recurring nuisance at the same hour, a crew that finds out what that shift is actually like instead of sampling it for a couple of days and moving on. That is worth paying for where the shifts differ from each other in kind: the night that exists for changeovers and cleaning, the morning that absorbs every delivery and every phone call. It is worth nothing where the work is identical at every hour, and there the faster rotations cost you less. The four lines are the same sequence started a week apart, so the load is genuinely identical across all 12: same hours, same weekends, same number of night weeks, whichever line you sit on.

What breaks first

Everyone will call the blocks weeks, and they are 7 days long, so it sounds harmless. It is not, because the blocks do not sit on the calendar week. Only the morning block starts on the weekday the cycle starts on. The afternoon block begins later in a week than that, the night block later still, and both of them run out into the week after. The mismatch surfaces the moment somebody books leave, because leave gets asked for in calendar weeks and worked in blocks. A Monday to Sunday week off usually takes the tail of one block, the gap that follows it, and the head of the next: the person spends leave days on days they were never rostered, comes back into the middle of a block instead of at the start of one, and their crew of 3 runs light on the shift they were leaving and again on the shift they were coming into. Training that runs Monday to Friday collides the same way, and so does anything recurring that a manager pencils in by week number. You cannot pattern your way out of it, because those offsets are what make the grid close. Fix it on the request form instead: publish each of the 4 teams' real block start and end dates, and let people book against those rather than against Monday.

Questions

How many nights in a row do you work on a Southern Swing rota?

7. The night block is exactly as long as the morning block and the afternoon block, and that symmetry is the pattern's defining decision: nights are not handled as a short exposure to be got through, they are simply the third block. Nights rotate as well, so a week of them sits on all 4 team lines inside every 28-day cycle. If 7 consecutive nights is more than your people or your regulator will wear, the answer is a different 8-hour rotation rather than a tweak to this one, because shortening the night block dismantles the block structure the rest of the grid is built from.

How many people do you need for a Southern Swing rota?

12, if you want 3 on every shift. The line count is fixed at 4, so you cannot add a single person to this pattern: you add one to every line or you add nobody, and each step up staffs all three shifts more heavily at once. The harder requirement is that all 12 have to be usable on all three shift types, because every line contains 7 consecutive nights and there is no seat here that avoids them. A restriction that a short night run could absorb cannot be absorbed by a block. Excusing one person from nights takes one of the 3 out of a night crew for a full week at a time, and there is no other line to move them to.

How many weekends off do you get on a Southern Swing rota?

13 full weekends a year, and every team gets 13. The four lines are the same sequence at different starting points, so there is no lucky line: moving someone between teams changes which weekends they get and never how many. The cap comes from the shape of the cycle. A team's 7 off days per cycle arrive as short runs at fixed points in the block sequence, and at most one of those runs can hold a Saturday and a Sunday together. The rest of the time off is real, it just lands on whatever weekdays the block boundaries fall on, and people arriving from a Monday to Friday job notice that before they notice anything else.

How the pattern works

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