off-peak
низменный
During a period of less use or demand than the maximum, generally overnightDuring a period of less use or demand than the maximum (peak), generally overnight.
Meaning
1 senses(not comparable)During a period of less use or demand than the maximum (peak), generally overnight.
Phone calls on weekdays between 18:00 and 08:00 the following day are charged at an off-peak tariff, lower than peak, but higher than weekend.