The time for lunch; the period when people take lunch, such as a workplace or school lunch break.
ランチタイムはレストランが混むので、少し早めに出かけた。
Because restaurants get crowded at lunchtime, I went out a little earlier.
会社のランチタイムは12時から13時までだ。
The company's lunch time is from 12:00 to 13:00.
ランチタイムに友達と公園で弁当を食べた。
I ate a bento with a friend in the park at lunchtime.