Step 1 : Introduction to the question "When is World Zombie Day: London, in 2019?"
...World Zombie Day: London starts on October 5, 2019, at 13:00 in Central London. The London branch of World Zombie Day commenced operations in 2008, with the loyal zombies taking to the streets as a way to help in the fight against hunger and homelessness. World Zombie Day: London is an annual event that includes a charity. It gives fans of zombie culture an opportunity to get together in an international effort to eradicate hunger and homelessness around the world. Source: WorldZombieDay.co.UK