noun which may take the genitive case particle 'no', noun
off-peak
Used as a noun or no-adjective to describe times, periods, or rates when demand is low, such as off-peak hours, seasons, or electricity pricing.
オフピークの時間帯に電車に乗ると、空いていて快適だ。
Taking the train during off-peak hours is comfortable because it's not crowded.
この電力プランはオフピークの電気料金が安い。
This electricity plan has cheaper rates during off-peak times.