“night” means the hours between the end of evening civil twilight and the beginning of morning civil twilight, or such other period between sunset and sunrise as may be specified by the appropriate authority. In or over the State, “night” shall be deemed to be, during the period beginning on the 1st day of April, and ending on the 30th day of September, the time between half an hour after sunset and half an hour before sunrise, and during the remainder of the year, the time between sunset and sunrise, and for the purpose of this definition sunset shall be determined at surface level.
