About twelve hours. We currently have tickets available only for first class on the express train. If you’d like, you can choose a sleeper on the overnight train which is a bit less expensive.
Thousands of fans braved heavy rain as they waited in London's Leicester Square for the launch of Harry Potter and the Half-Blood Prince, many camping overnight in order to get a good spot.
All in all, in moderation, meat is not unhealthy and you don't need to become vegetarian overnight to have a real impact on your health and the planet.