[Code of Federal Regulations] [Title 49, Volume 1] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR71.3] [Page 702] TITLE 49--TRANSPORTATION Subtitle A--Office of the Secretary of Transportation PART 71_STANDARD TIME ZONE BOUNDARIES--Table of Contents Sec. 71.3 Atlantic zone. The first zone, the Atlantic standard time zone, includes that part of the United States that is between 52[deg]30[sec] W. longitude and 67[deg]30[sec] W. longitude and that part of the Commonwealth of Puerto Rico that is west of 67[deg]30[sec] W. longitude, but does not include any part of the State of Maine.