Greetings follow a time-based pattern like Indian languages
Buongiorno (morning/afternoon), Buonasera (evening), Buonanotte (night) — just like Hindi's subah, shyam, raat greetings. Ciao is informal only, like 'yaar' — never use it with your professor or landlord on first meeting.
Open Day 2 cheat sheet 1-page PDF
