N.Y. General Construction Law § 52: Time, standard

§ 52. Time, standard. 1. The standard time throughout this state is

that of the seventy-fifth meridian of longitude west from Greenwich,

except as hereinafter provided, and all courts and public officers, and

legal and official proceedings, shall be regulated thereby.

2. At two o'clock ante meridian on the last Sunday in April of each

year the standard time throughout this state shall be advanced one hour

from that of the seventy-fifth meridian of longitude west from

Greenwich, and the time so advanced shall continue to be standard time

throughout this state until the last Sunday in October of the same year,

when such standard time, as so advanced, shall be retarded to that of

the seventy-fifth meridian west from Greenwich; and during such period

in each year all courts and public officers, and legal and official

proceedings, shall be regulated in accordance therewith.