Build and Conquer Halloween Event + Naval: Start Times & Countdown

Build and Conquer treats its Halloween event + Naval as a standing weekend fixture — a themed run that comes back on the same rhythm rather than a one-off drop. The base-building sandbox from The Slop Company keeps a couple of thousand players in its servers at any given moment (about 2,300 active right now) and has drawn nearly six million visits, so the weekend event lands in front of a steady, sizable crowd.

The event runs on a weekly cadence, returning across the weekend roughly every seven days in two time-of-day windows rather than one. That spread is deliberate: it gives players in different parts of the world a start time they can actually make. The next one is set for Sunday, November 1 at 12:30 AM ET, and the countdown to it sits on the card below.

Next occurrence

Build and Conquer

Halloween event + Naval

Nov 1, 12:30 AM ET

Next in 7d 2h 9m

Usual times

• Saturdays, 9:45 PM ET
• Sundays, 12:30 AM ET

Runs weekly.

TimezoneET

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How often it runs, and when

On the schedule the Halloween event + Naval repeats weekly, landing each weekend. Two windows anchor it in US Eastern time: Saturdays at 9:45 PM ET and the small hours of Sunday at 12:30 AM ET. The reason there are two is reach — a single evening slot in one region is the middle of a work day somewhere else, so the pair lets players around the globe catch a start that fits their day. Here is how the two windows fall across the major regions:

Times shift by an hour around daylight-saving changeovers; the next exact start and the usual windows are on the card above.

What the event brings

True to its name, this run layers a Halloween theme over new naval content inside the game’s core build-and-conquer loop. Alongside the usual work of raising and expanding a base, the event pushes the action onto the water with ship-based play, wrapped in the season’s spooky dressing. Expect the weekend to center on:

• Seasonal, Halloween-styled touches across the map and your build
• Naval additions that take combat and expansion offshore
• The regular build-and-battle progression the game is built around

The developer tends to reveal the finer details as each weekend opens, so the quickest read on exactly what is in a given run is to drop in during one of the windows above.

Tips for catching it

Pick the window that suits your day rather than forcing the ET time: for most of Europe and Asia the Sunday 12:30 AM ET slot lands in the morning, while North American players are better served by the Saturday evening start. Set a reminder an hour ahead — servers fill quickly once a themed weekend opens. And if you miss it, there is no need to rush: the event comes back on the same weekly rhythm, so the next run is only a week away.

How it fits Build and Conquer’s week

Build and Conquer runs on a cycle of rolling content updates between these themed weekends, so the Halloween event + Naval is the marquee moment punctuating an otherwise steady stream of new material. If you are planning your week in the game, treat the weekend windows as the fixed points and the mid-week updates as the connective tissue around them.

Frequently asked questions

What time is the Build and Conquer Halloween event + Naval event in my timezone?

It runs in two US Eastern windows — Saturdays at 9:45 PM ET and Sundays at 12:30 AM ET. The Saturday slot is 6:45 PM PT, 1:45 AM in the UK, 2:45 AM in Central Europe, 7:15 AM in India, 10:45 AM in Japan and 12:45 PM in eastern Australia; the Sunday slot runs just under three hours later in each of those regions.

How often is the Build and Conquer Halloween event + Naval event?

Weekly — it returns every weekend, roughly every seven days, and has run 2 so far.

When is the next Build and Conquer Halloween event + Naval event?

The next run is scheduled for Sunday, November 1 at 12:30 AM ET. The countdown on the card above tracks the exact time.

What do you do in Build and Conquer Halloween event + Naval?

You build and expand a base while the event pushes the action onto the water with naval content, all under a Halloween seasonal theme.

Last updated October 24. We update this page as the schedule changes.