In all laws, statutes, orders, decrees, rules, and regulations relating to the time of performance of any act by any officer or department of the state, or of any county, city, town or district thereof, or relating to the time in which any rights shall accrue or determine, or within which any act shall or shall not be performed by any person subject to the jurisdiction of the state, and in all public schools and in all institutions of the state, or of any county, city, town or district thereof, and in all contracts or choses in action made or to be performed in the state, it shall be understood and intended that the time shall be United States standard eastern time as changed by § 42-5-1.
R.I. Gen. Laws § 42-5-2