I spent all evening in be(べ)d last night. It was a really chilled evening.
When hiragana is attached to a kanji, you can usually assume that that kanji is going to be read using the kun'yomi reading, which is exactly what's going on with this word as well. By learning this word's kanji you've also learned the reading for this word.
I saw the moon last night.
Dinner last night was onion curry.
There's an event called "Wine Evening" in May.