How Many Days Til Halloween 2024 In Us. How many days until halloween? Halloween or hallowe'en (a contraction of all hallows' evening), also known as allhalloween, all hallows' eve, or all saints' eve, is a celebrated each year on 31 october, on the eve of all.

Find out the date, how long in days until and count down to till halloween with a countdown clock. This holiday was once tied to farming and astronomy!