Description
Nautical Almanac 2026 – Commercial Edition (US) is the official annual nautical almanac designed for professional navigators and advanced use at sea. The publication contains accurate astronomical data for the sun, moon, planets and navigational stars, and forms the basis for classic celestial navigation.
Published by the Nautical Almanac Office in partnership with the US and UK nautical authorities, the Almanac represents the highest standards of accuracy and reliability. This commercial edition is specifically designed for commercial vessels and users with stringent navigational data requirements, and is distinguished from leisure editions by its detailed content and professional layout.
It is used in conjunction with sextant, chronometer and sight reduction tables to calculate accurate position at sea. Even with modern electronic navigation systems, the Nautical Almanac is an essential backup tool and a key part of safety preparedness on board.
Please note: The almanac is only valid for the calendar year 2026 and must be updated annually to ensure correct navigation calculations.
