"Yes, good evening."
Translation:Ano, dobrý večer.
Yes. And noc is feminine, ráno is neuter, and den is masculine inanimate... so that's how we get Dobrou noc, Dobré ráno, and Dobrý den. They are in the accusative case when used as greetings, as if we were saying something like, "I wish you a..." or "I hope you have a..."