also: ゴールデン・タイム
noun
prime time; peak time
Refers to the television or radio time slot with the highest viewership/listenership, typically in the evening. A wasei-eigo term from 'golden time'; not used in English with this meaning.
wasei-eigo (Japanese-coined English), from golden time
この番組はゴールデンタイムに放送される。
This program is broadcast during prime time.
ゴールデンタイムの広告料は高
Advertising rates during prime time are high.