The Most Useful Site in the World⚡ TL;DR
- 31 October 2026 is a Saturday — the best weekday it can fall on: no school the next morning, so expect a late peak and a busy street. Clocks go back on Sunday 25 October, so sunset on the night is about 16:40 in southern England.
- Sweets: two to three items per child, 40–120 children on a typical street, and a 2 kg bag is roughly 200 fun-size pieces.
- Pumpkin: print the stencil at 78% of the pumpkin's width and never leave a bridge thinner than 6 mm. A cut pumpkin lasts days, not weeks.
- Costume: silhouette first, detail second. Most of the costumes in this guide cost under £20 because they start from clothes you already own.
- The night: reflective strips and a torch, an adult within sight of under-tens, and sweets checked at home before anything is eaten.
The date, the dark and the weekend it falls on
Halloween is always 31 October, which is the easy part. The hard part is that the weekday moves, and the weekday decides how big the night is: a Saturday Halloween means no school the next morning, a later peak, more children at the door and a much longer queue at every party. Here is the next four years, with the sunset you can expect in southern England once the clocks have gone back.
| Year | 31 October falls on | Clocks go back | Sunset, southern England | What it means |
|---|---|---|---|---|
| 2026 | Saturday | Sunday 25 October | about 16:40 | The big one: no school tomorrow, expect a late peak and a busy street. |
| 2027 | Sunday | Sunday 31 October | about 16:40 | School on Monday; younger children finish earlier and the night ends sooner. |
| 2028 | Tuesday | Sunday 29 October | about 16:35 | A school night: the 17:00–19:00 window is the whole night. |
| 2029 | Wednesday | Sunday 28 October | about 16:30 | A school night, and the earliest sunset of the four. |
Two things follow from that table. First, trick-or-treating in the UK starts just after sunset — around 17:00 — and peaks between 17:30 and 19:30. Second, if you are planning a party rather than a route, the Saturday years are the ones to book a hall for. The trick-or-treat route planner takes the sunset, the door count and the walking pace and tells you when the round actually ends, which is usually later than the estimate made at the kitchen table.
The one number people get wrong: how long the round takes. A street of 40 doors at 90 seconds a door, plus the walking, is over an hour before anyone has stopped to talk to a neighbour. Work it out before you promise to be back by seven.
What Halloween actually is — and why the pumpkin
Halloween sits where a Celtic seasonal festival and a Christian holy day overlap. Samhain marked the end of the harvest and the start of the dark half of the year; All Hallows' Eve is the evening before All Saints' Day on 1 November. The customs that survived are a mix of both: guising — going door to door in disguise, which is the older Scottish and Irish name for it — soul cakes given in exchange for prayers, and lanterns carved to keep wandering spirits away from the house.
The lantern is the part most people get wrong. The first jack-o'-lanterns were carved from turnips and beetroot in Ireland, not pumpkins. Emigrants took the custom to North America, where pumpkins were plentiful, softer and large enough to hold a candle, and the pumpkin won. The name comes from the folk tale of Stingy Jack, a man said to have been turned away by both heaven and hell and left to wander with a hollowed-out turnip and a coal.
None of that requires belief to be useful. It explains why the night looks the way it does — lanterns, disguises, sweets at the door — and it is the difference between a party that borrows the symbols and one that understands them. Day of the Dead, on 1 and 2 November, is a separate living tradition in Mexico and parts of Latin America: sugar skulls, marigolds, and family altars, not a costume theme.
The costume: time, money and what reads in the dark
A Halloween costume works at three distances. At ten metres, only the silhouette and one colour read. At two metres, the face and the prop. At arm's length, the detail you spent an hour on. Most people build the third distance first and arrive with a costume that is invisible at the door. Build the silhouette, add one accessory, and stop.
| Route | Time | Cost | Reads as | Start here |
|---|---|---|---|---|
| Sheet, black clothes, one hat | 5–15 min | £0–8 | Ghost, cat, witch, burglar | Last-minute costume finder |
| Clothes plus face paint | 10–25 min a face | £0–12 | Skeleton, vampire, zombie, sugar skull | Face paint planner |
| Paired or group theme | 1–5 h | £10–40 a person | Couples, families, whole casts | Couple matcher · Group planner |
| Bought or built | a weekend | £40+ | Film-accurate characters | Costume generator |
The three rules that do the most work
One colour, one shape. All black with a pointed hat is a witch; all black with a stripe and a sack is a burglar. The colour does the reading and the accessory does the naming. Paint the face, not the costume. A black outfit plus white tape ribs is a skeleton in fifteen minutes; the same outfit without the face is just black clothes. Check the weather before the paint. A full-face base in wind and drizzle will streak by 18:30 — the costume weather planner compares the forecast with what the costume can survive.
Children, adults and the effort mismatch
Children care about the accessory and the sweet bag; adults care about the photograph. The compromise is a costume that is comfortable enough to walk a street in and striking enough for one picture: a tabard, a cape, a hat, a prop. Anything that needs a hand held all night — a mask you cannot see through, a trailing sheet, heels on a wet pavement — will be abandoned by 19:00. The costume generator filters by effort, budget and weather and gives you three complete costumes rather than a list of puns.
The pumpkin: the carving maths
Carving is a structural problem disguised as an art project. Every opening you cut leaves a bridge of flesh between it and the next opening, and a bridge narrower than about 6 mm snaps as the pumpkin dries. That single number explains most collapsed lanterns.
Scale the stencil to the fruit, not to the paper
A flat stencil wrapped round a sphere distorts at the edges. Scale the pattern to about 78% of the pumpkin's widest point: on a 24 cm pumpkin that is an 18.7 cm stencil, which covers the flat face without bending round the sides. Print at 100% and check a ruler against the scale bar — printers quietly "fit to page" and ruin the sizing. The pumpkin stencil generator draws eight patterns, computes the bridge width for your pumpkin and prints a scale bar.
Cut in the right order
Big shapes first, detail last. Taking the mouth out before the eyes keeps the shell rigid while you work, and it means a slip costs you a tooth rather than the whole face. Push each piece out from the inside with your thumb, never with the blade tip. A serrated pumpkin saw cuts in short strokes; a kitchen knife wedges, tears and is the reason most pumpkin cuts happen. The jack-o'-lantern carve planner times the pattern and lists the cut order.
Make it last the week
Carve no earlier than the day before. Scoop out every stringy seed, dry the inside thoroughly, and stand the pumpkin somewhere cool. A dip of about one part household bleach to nine parts water slows mould on the cut surfaces; dry it well afterwards. A carved pumpkin lasts days, not weeks, and a warm hallway halves that. Use an LED tea light rather than a candle — a real flame inside a drying shell is a fire risk, and it also cooks the lid.
| Pumpkin width | Stencil width | Minimum bridge | Classic face | Intricate face |
|---|---|---|---|---|
| 18 cm | 14.0 cm | 6.0 mm | ~28 min | ~45 min |
| 24 cm | 18.7 cm | 6.7 mm | ~34 min | ~55 min |
| 30 cm | 23.4 cm | 8.3 mm | ~40 min | ~65 min |
| 40 cm | 31.2 cm | 11.1 mm | ~48 min | ~80 min |
Those times assume tracing, cutting and clean-up, and a first-time carver with a pumpkin saw. They rise with the number of separate shapes rather than with the size of the pumpkin, which is why an intricate spider on a small pumpkin takes longer than a classic face on a giant one.
The sweets: the maths of a doorbell
The number to plan is not "how many sweets" but "how many children". A suburban street on a Saturday Halloween can see 100 or more; a rural lane might see twelve. Start from your street: count the houses that decorated last year, assume a third to a half of them will have children at the door, and add a margin for the children who come from the next street because your house is the one with the fog machine.
| Door traffic | Items at 3 per child | Approximate bag size | Left over |
|---|---|---|---|
| 30 children | 90 | 1 kg | about 10% |
| 60 children | 180 | 2 kg | about 10% |
| 100 children | 300 | 3 kg | about 10% |
| 150 children | 450 | 4.5 kg | about 10% |
Two to three items per child is the standard that keeps a bag sensible and a bowl lasting. If you would rather not run out, buy the larger bag and accept leftovers you actually like. If you would rather not have leftovers, buy small and turn the porch light off when the bowl is empty — a dark house is a clear signal, and children read it faster than adults do. The candy calculator does the arithmetic from your own street count.
Allergies and the teal pumpkin
Not every child can eat what is in the bowl. A teal pumpkin in the window — the signal for a house offering non-food treats — and a small tray of stickers, glow sticks or temporary tattoos costs little and means a child with an allergy still gets to choose something. Keep the food and non-food bowls separate, and never put loose sweets in a bowl with wrapped ones.
What to do with the haul
Sort it at home, in the light, before anything is eaten: unwrapped items out, allergens checked against the label, and a parent's portion tax is traditional. Chocolate freezes; hard sweets keep. The sweets a child cannot eat can go to a neighbours' bowl the next day rather than the bin.
The night itself: routes, visibility and the doorbell
The riskiest part of Halloween is not the supernatural, it is the road. At 30 mph a car covers about 13 metres a second and needs roughly 23 metres to stop; a child in dark clothing is visible at a fraction of that in dipped headlights. Reflective strips, a torch and a route that crosses at the same two points every year do more for safety than any number of warnings.
A route that works
Plan a loop rather than an outward line, keep under-tens within sight, and agree the finish point before anyone leaves. A known loop also makes the timing predictable: the route planner works out distance, door count and the time the round actually takes, including the ten minutes lost at the one house with the good decorations. Check the night visibility check before choosing the costume's reflective strips — it compares how far a driver sees a child with how far the car needs to stop.
At the door
A lit porch, a bowl you can reach, and a pumpkin that is not a trip hazard. Keep pets behind a closed door, and never invite a child inside. If you are the one trick-or-treating, knock only where there is a light and a decoration, say thank you, and do not step inside a stranger's house for a "better sweet".
Fire, fog and electricity
LED candles in every lantern, and costumes that are fitted rather than trailing. If you are running a fog machine and a dozen props off one circuit, the decoration power budget adds the load and checks the breaker before the extension lead does it for you. Fog fluid is not a toy: keep the machine away from faces and never run it in a sealed room.
The party: the running order is the party
A Halloween party fails in the gap between games, not during them. Plan the night in blocks — arrival, games, food, dancing, wind-down — and give each block an energy level. The room follows the tempo even when nobody is dancing: quiet and eerie while coats come off, louder through the games, quiet again while everyone eats, loudest for the last half hour, then down so the last guests leave rather than cling on.
| Block | Share of a 2-hour party | Energy | What it is for |
|---|---|---|---|
| Arrival | 30 min | Low | Coats, photographs, the first drink |
| Games | 36 min | Medium to high | Burning off arrival energy |
| Food | 24 min | Low | Cake, sitting down, talking |
| Dancing | 18 min | Peak | The photograph everyone remembers |
| Wind-down | 12 min | Low | Collecting coats and parents |
Eight games is about right for two hours, with two minutes of changeover between each and a ten-minute buffer. The party games planner fills the time from a library of eighteen games filtered by age, space and energy, and prints the kit list. The playlist planner builds the music block by block, and the trivia generator produces the quiz and the score sheet if you would rather sit everyone down.
If the party is a film night
Two films fit a three-hour window with a fifteen-minute break; three need a five-hour window or short films. Lightest first, scariest last, and check the actual certificate rather than trusting a streaming service's age badge. The movie marathon planner builds the running order and the finish time.
If the party is for children
Shorten everything. Under-fives need five-minute games, a craft in the middle and a hard stop before the sugar crash. Older children can handle a scavenger hunt — the hunt generator prints the clues, the route and the answer key — and a hunt is the cheapest hour of entertainment on this list.
🎃 All 22 Halloween tools
Every tool is a self-contained page: no account, no upload, no network call. The maths runs in your browser.
❓ Frequently asked questions
When is Halloween 2026?
Halloween is always 31 October. In 2026 it falls on a Saturday — no school the next morning, so a late peak at the door and a much longer queue at every party. The clocks go back on Sunday 25 October 2026, so sunset on the night is around 16:40 in southern England.
Why do we carve pumpkins at Halloween?
The lantern came from Ireland, where turnips and beetroot were carved with faces to ward off wandering spirits and carried door to door. Emigrants took the custom to North America, where pumpkins were plentiful, easier to carve and large enough to hold a candle. The name comes from the folk tale of Stingy Jack.
How many sweets do I need for trick-or-treaters?
Plan for two to three items per child and expect somewhere between 40 and 120 children on a typical suburban street. Two kilograms of fun-size bars is roughly 200 pieces, which covers about 70 children at three each. Buy a bag you would be happy to have left over, and turn the porch light off when you stop answering.
How long does it take to carve a pumpkin?
About 30 to 45 minutes for a classic face on a 20 to 25 cm pumpkin, including tracing and clean-up. An intricate pattern takes an hour or more. Big shapes go first, small details last, and a serrated pumpkin saw cuts faster and more safely than a kitchen knife.
How do I stop a carved pumpkin going mouldy?
Carve it no earlier than the day before, scoop out every stringy seed and dry the inside thoroughly. A dip in about one part household bleach to nine parts water slows mould, and a cool, dry doorstep beats a warm hallway. A cut pumpkin lasts days, not weeks.
How much should a Halloween costume cost?
Most costumes in this guide cost under £20 because they start from clothes you own. The cheap route is silhouette plus one accessory: black clothes and eyeliner, a white sheet cut wide at the eyes, or a checked shirt and a hat. Buying a full costume for one night is the most expensive option and reads no better in a photograph.
What time do trick-or-treaters start?
In the UK the doorbell starts just after sunset, around 17:00, and the peak is 17:30 to 19:30. Younger children finish by 19:00. A porch light on means you are open for callers; a dark house with no pumpkin means you are not.
Is Halloween a religious holiday?
It has religious roots on both sides. Samhain was a Celtic seasonal festival, and All Hallows' Eve is the evening before the Christian All Saints' Day. Today it is mostly secular in the UK and US, while Day of the Dead on 1 and 2 November is a living family observance in Mexico and parts of Latin America, not a Halloween costume party.
How do I keep children safe trick-or-treating?
Reflective strips and a torch, an adult within sight of under-tens, a route agreed in advance, and a rule that sweets are checked at home before anything is eaten. Check labels for allergens and never let a child eat anything unwrapped. Face paint should be cosmetic grade, patch-tested, and kept away from eyes and mouth.
What can I do with leftover pumpkin?
Roast the seeds, steam and purée the flesh for soup or pie, or compost the shell. A 2 kg pumpkin yields roughly 700 to 900 g of usable purée; the purée planner works out how many pies that fills and whether you need a second pumpkin.
Last reviewed: 2026-10-20. Times, costs and quantities are planning estimates for a UK household; check your local sunset, your own council's half-term dates and the actual age certificate on any film. Nothing here is safety certification — for face paint, fire and road decisions, follow the manufacturer and the road.