電でん休きゅう日びMeanings1nounno-electricity dayrare termRare term for a day when electricity is not used or available; compare 休電日.See also: 休電日この地ち域いきでは、毎まい月つき第だい三さん水すい曜よう日びが電でん休きゅう日びになっている。In this area, the third Wednesday of every month is a no-electricity day.