also: よいじかん
expression, noun
getting late; about time
Used when it is already late or when something should have happened by now. Often in phrases like いい時間だ or いい時間になる.
もういい時間だから、そろそろ帰ろう。
It's already getting late, so let's head home soon.
いい時間になったので、会議を終わりにしましょう。
Since it's about time, let's end the meeting.
expression, noun
good time; good timing
Refers to a suitable or opportune moment to do something. Often used with ～に or ～だ.
今が話をするのにいい時間だ。
Now is a good time to talk.
彼が来たのはいい時間だった。
His arrival was good timing.
いい頃 also means 'good time' but often implies a more approximate or seasonal timing, while いい時間 focuses on clock time or a specific moment.
Phrase composed of いい (good) and 時間 (time). The 'late' sense likely developed from the idea that it is already a 'good' (i.e., considerable) amount of time.