expression, noun
high time; about time
Used when the speaker feels that the right moment has arrived or that something should have happened already. Often followed by a suggestion or a statement of what should be done.
See also: いい頃 (いいころ)
もう帰るのに良い頃だ。
It's about time to go home.
そろそろ始めるのに良い頃じゃない？
Isn't it high time we got started?
Same meaning; いい is the more casual form of 良い. いい頃 is slightly more colloquial.
Phrase composed of 良い (good) and 頃 (time, about the right time).