The standard time of this State shall be the time of the seventy-fifth meridian west from Greenwich, and wherever time is named within this State, in any manner whatsoever, it shall be deemed and taken to be such standard time, except that the standard time of this State shall be 1 hour in advance of such prescribed time from 2:00 A.M. on the last Sunday in April until 2:00 A.M. on the last Sunday in October in each year, and except where otherwise expressed.
N.J.S. § 1:1-2.3