KRS 189.030: Time when lights must be on.

(1) Headlamps, when required on a vehicle, shall be illuminated:

(a) During the period from one -half (1/2) hour after sunset to one -half (1/2) hour

before sunrise; and

(b) At such other times as atmospheric conditions render visibility as low as or

lower than is ordinarily the case during that period.

(2) Provisions as to distances that lights must be visible refer to visibility under

ordinary atmospheric conditions.