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"Buenas noches" is a form of "buenas noches", a phrase which is often translated as "good evening". "Hasta mañana" is a phrase which is often translated as "see you tomorrow". Learn more about the difference between "hasta mañana" and "buenas noches" below.
hasta mañana()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
buenas noches()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (salutation)
2. (farewell)