| Section No. | Description |
|---|---|
| Section 71.1 | Annual advancement of standard time |
| Section 71.2 | Atlantic zone |
| Section 71.3 | Eastern zone |
| Section 71.4 | Boundary line between eastern and central zones |
| Section 71.5 | Central zone |
| Section 71.6 | Boundary line between central and mountain zones |
| Section 71.7 | Mountain zone |
| Section 71.8 | Boundary line between mountain and Pacific zones |
| Section 71.9 | Pacific zone |
| Section 71.10 | Alaska zone |
| Section 71.11 | Hawaii-Aleutian zone |
| Section 71.12 | Samoa zone |
| Section 71.13 | Chamorro Zone |
| Section 71.14 | Scope |