fudge me, I will spell it out
Some decide to do it on the night
Some on the Friday
Some on the Saturday
Some on the Sunday
And some a week later still
Have you worked it out yet?
That's because it's all about what's convenient for people and other factors, most importantly the weather. Lots of people also tend to have leftover fireworks from their parties so will let them off soon after Bonfire Night. It's a shame for pets, but otherwise I will not let my snobby attitude ruin other people's fun.