Part 71 - STANDARD TIME ZONE BOUNDARIES
- Section 71.1 - Limits defined; exceptions authorized for certain rail operating purposes only
- Section 71.2 - Annual advancement of standard time
- Section 71.3 - Atlantic zone
- Section 71.4 - Eastern zone
- Section 71.5 - Boundary line between eastern and central zones
- Section 71.6 - Central zone
- Section 71.7 - Boundary line between central and mountain zones
- Section 71.8 - Mountain zone
- Section 71.9 - Boundary line between mountain and Pacific zones
- Section 71.10 - Pacific zone
- Section 71.11 - Alaska zone
- Section 71.12 - Hawaii-Aleutian zone
- Section 71.13 - Samoa zone
- Section 71.14 - Chamorro Zone