2 ms·This is an old-style joke: why programmers keep confusing Christmas with Halloween? Because 25 Dec = 31 Oct.by znpy 6y agoThis is an old-style joke: why programmers keep confusing Christmas with Halloween? Because 25 Dec = 31 Oct.krick 6y agoWow. I never noticed.Aachen 6y agoHaven't heard that one in a long time. Love it :) Edit: but then like five more times down this thread... <insert the fourteenth off-by-five joke>