Planning a Saturday When It Goes Dark at 4pm — Autumn and Winter Routing for Hire Companies

Summer routing is forgiving. You have light until nine, so a collection that slips an hour is an inconvenience rather than a problem. Autumn is not forgiving, and the change does not creep up on you gradually.

It lands on one night. In 2026 the clocks go back at 2am on Sunday 25 October. The Saturday before, you finish collections in daylight. The Saturday after, the same run in the same order ends in the dark. The sun did not move much — the clock did.

This is about what actually changes on that day, and what to do about it before it arrives rather than after.

How much evening you actually lose

In late September sunset is around 7pm. By mid-December the earliest sunset of the year arrives — 13 December, not the solstice, which catches people out — and in Manchester that is 3:51pm. Further north it is earlier still; further south, a little later.

By the clock, that is over three hours of usable evening gone between the end of September and the middle of December. One of those hours disappears overnight on 25 October, and the rest drains away week by week.

It is the collections, not the deliveries

Deliveries are largely unaffected. You are loading at seven and dropping from eight, and sunrise is still comfortably ahead of you for most of the season.

Collections are where the day breaks. A party that runs 2pm to 5pm still wants collecting at five, and in December five o’clock is an hour after dark. String four of those together across a county and the last two are being deflated and folded by headlight, in the wet, by someone who started at seven in the morning.

Every one of those collections also takes longer than it does in June. Wet fabric is heavier, pegs come out of soft ground awkwardly, and nobody works quickly in the cold and dark. If you budget fifteen minutes a collection in summer, budget twenty in December.

The one that catches operators out: the drying. In summer a wet castle goes out again the next day. In November it does not dry in an unheated unit, and a damp castle you cannot hire out is worse than one you never collected.

Six things operators change

1. Move collection times at the point of booking

The cheapest fix, and the one most often skipped. From October, offer winter collection slots that end before dark rather than negotiating on the day with a customer whose party is still going. If your booking form offers a 5pm collection in December, you have created the problem yourself.

2. Push collections to the next morning

Widely used and often the right answer. A Sunday morning collection is daylight, empty roads, and a driver who is not on hour eleven. The cost is another journey and a castle out of action overnight, so it only works if that unit is not booked the next day — which in winter it often is not.

3. Collect in reverse-geographic order

Deliveries fan out from the depot; collections should funnel back. If your last collection of the day is your furthest, you finish in the dark an hour from home. Sequence collections so the run tightens as the light goes and the final stop is close in.

4. Cluster harder, spread less

In summer you can take a booking twenty miles out of your way because there is time to absorb it. In December that same booking is the reason the last two collections happen in the dark. Winter is the season to be stricter about how far you will travel — which is a pricing decision as much as a routing one.

5. Actually equip the van for the dark

Head torches for both hands free, a decent work light for the van, hi-vis for anyone unpegging near a road, and a check that your driver knows where all of it is. This sounds obvious and is routinely not done until the first bad night.

6. Give the driver the access notes properly

A side gate you found easily in August is a different proposition at half five in December. Whatever you know about the property — the narrow gate, the dog, the neighbour’s driveway, which door they answer — needs to be in front of the driver at the stop, not in your head at the office.

Why the order matters more now

In summer, a badly ordered run costs you fuel and an hour of your evening. We worked the fuel side out here — it is the one significant cost you can change week to week.

In winter it costs you something you cannot buy back. Daylight is a hard constraint. You cannot add an hour to the afternoon, so the only variable left is how much of the remaining light you waste driving between stops in a poor order.

Put concretely: if you have three hours of usable light after the last party finishes and each collection takes twenty minutes, the difference between a tight run and a scattered one is not one or two extra collections. It is whether the last one happens today at all.

What to do before 25 October

• Change the collection slots your booking form offers from November onwards
• Decide your winter delivery radius and hold to it, or price beyond it properly
• Work out how many collections realistically fit between the last party and dark, and stop taking more than that
• Sort somewhere a wet castle can actually dry, before you need it
• Buy the torches now, not on the first dark Saturday

None of this is complicated. It is simply easier to decide in September than at half four on a wet Saturday in December with two collections left.

Where CastleRunner fits

CastleRunner sequences deliveries and collections across every van using real driving times, keeps each booking’s drop and pickup on the same vehicle, and puts each driver’s run on their phone with the access notes attached to the stop. In winter that last part matters as much as the routing. Five routes a month are free if you want to plan a dark Saturday with it before you rely on it.

Sources

• Clock change dates — Royal Observatory Greenwich
• Sunset times and earliest-sunset date — timeanddate.com
• Winter and indoor demand — Monster Inflatables

Sunset times vary by location and year. Check your own before you set winter collection slots.