also: よいじかん
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.
It's already getting late, so let's head home soon.
Since it's about time, let's end the meeting.
good time; good timing
Refers to a suitable or opportune moment to do something. Often used with ～に or ～だ.
Now is a good time to talk.
His arrival was good timing.
Most common spelling for the reading いいじかん.
Kanji spelling for いい; also read よいじかん.
More formal or written variant; also read いいじかん.
Kana spelling for よい; less common than いい時間.
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.