Sources for Determining Sunrise, Sunset, and Twilight

In plain language

You can use the Naval Observatory website to download and customize sunrise and sunset tables for your specific flight location.

Requirement as structured

Sunrise and sunset tables can be found in The Air Almanac or downloaded and customized for specific locations from the Naval Observatory website.

Original regulatory text

The Air Almanac provides tables to determine sunrise and sunset at various latitudes. These tables can also be downloaded from the Naval Observatory and customized for a particular location. The link for the Naval Observatory is https://www.usno.navy.mil/search?SearchableText=air+almanac+.

Applies when

country

United States

regulatory category

General