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How many days until Halloween?
Halloween falls on ….
Counted in your own time zone, —.
Halloween is 31 October, every year — the eve of All Saints' Day, which is where the name comes from.
A fixed date with a moving weekend
Halloween is pinned to 31 October, but the celebration is not: when the 31st lands midweek, most parties move to the nearest Saturday. It is one of the few dates where the countdown people actually need is not to the date itself but to the weekend attached to it — which is worth knowing before you book anything.
Why the countdown starts in September
Costumes are the reason. Anything that has to be made, ordered or hired has a lead time, and the good options are gone by mid-October. The people who count down to Halloween seriously are counting to a deadline about four weeks before the date, not to the night itself.
The oldest countdown in the calendar
Halloween descends from Samhain, which marked the end of the harvest and the start of winter — a date that mattered because it told you how long you had left to prepare. That is what a countdown is for, and it has not changed in two thousand years. The costumes are new.
Questions
Is Halloween always 31 October?
Yes. The date is fixed. Only the day of the week changes, which is why celebrations sometimes move to the nearest weekend.
How many days until Halloween?
The counter at the top of this page shows it live and rolls over to next year once the date has passed.
When should I start preparing?
About four weeks out, if a costume needs making, ordering or hiring. Choice narrows sharply through October.