Café culture is the single most reliable indicator of a great neighborhood, but the rituals vary wildly from city to city. Here is a short decoder for the ones we visit most.
Italy. Stand at the bar, order an espresso, drink it in 60 seconds, pay, leave. Sitting at a table after 11 AM often means a 300% price markup. Locals never order a cappuccino after noon.
France. Sitting is the whole point. Nursing one coffee for an hour while watching the street is not rude — it is the entire culture. Do not tip on coffee alone; a couple of coins is enough.
Vienna. Coffeehouses are living rooms. You can sit for three hours reading a newspaper, and the waiter will not hurry you. A Melange is the local order; ask for it, not a 'cappuccino'.
Japan. Two cultures in parallel. Traditional kissaten are slow, quiet, with classical music and 1960s decor. Specialty third-wave cafés serve the most precisely-brewed coffee on Earth. Both reward patience and silence.
Australia & New Zealand. The inventors of modern café culture. Flat whites are the default. Baristas take their craft seriously to a degree unknown anywhere else. Brunch is an institution.
Nordics. Coffee is not a ceremony, it is fuel, but the fuel is excellent. Expect single-origin, light-roast, pour-over culture. The fika break in Sweden is the exception — a daily social pause built around coffee and a pastry.
When in doubt: watch what locals do, do the same.