Learn Hardcore German: Der Abend ist ruhig.

In German, every noun has a grammatical gender (masculine, feminine, or neuter). Abend is a masculine noun, so it uses the article der. There is often no logical reason for a noun’s gender; you simply have to learn it along with each new word.

I notice Abend is capitalized. Why is that?

In German, all nouns are capitalized regardless of where they appear in a sentence. This is different from English, where only proper nouns are capitalized.

What does ruhig mean exactly, and can it be translated simply as quiet?

Ruhig generally means calm, quiet, or peaceful. Depending on context, it can be translated as quiet, peaceful, calm, or even tranquil. In this sentence (Der Abend ist ruhig), it suggests a soothing and calm atmosphere.

Can I use still or leise instead of ruhig in this sentence?