### Question
What does night mean?


### Answer
**Night** has the following meaning in *19 U.S.C. § 1401*:

> the time from five o'clock postmeridian to eight o'clock antemeridian.

#### Citation:
  - *19 U.S.C. § 1401*
  - Heading: **CHAPTER 3-THE TARIFF AND RELATED PROVISIONS > SUBTITLE III-ADMINISTRATIVE PROVISIONS > Part I-Definitions and National Customs Automation Program > subpart a-definitions**

