---
title: the nautical almanac 2026
description: "Subtitle: her majesty's nautical almanac officePublisher: united kingdom hydrographic office (ukho)ISBN: 9780707746517"
featured_image: https://libreriadelmare.it/wp-content/uploads/nauticalalmanac2017-7.jpg
date: 2019-02-03
modified: 2026-03-28
author: admin
url: https://libreriadelmare.it/en/shop/the-nautical-almanac-2026-9780707746517/
---

# the nautical almanac 2026

![the nautical almanac 2026](https://libreriadelmare.it/wp-content/uploads/nauticalalmanac2017-7.jpg)

*The Nautical Almanac* is carried on every ship within the Royal Navy and on many sea-going vessels around the world. It is at the core of **celestial navigational** training courses worldwide. Carriage of *The Nautical Almanac *is required in either paper or digital format, under Regulation 19.2.1.4 of SOLAS Chapter V.

This annual publication includes:

- Tabulations of the Sun, Moon, navigational planets and stars to help determine positions at sea when using a sextant

- Times of sunrise, sunset, twilights, moonrise and moonset, calendarial information, phases of the Moon and eclipses of the Sun and Moon to help bridge crews plan observations

- Interpolation and altitude correction tables, pole star tables and diagrams, and notes for the identification of stars and planets

- Information on standard times for countries around the world

- A concise set of sight reduction tables and sight reduction forms

- A six-page supplement of polar astronomical phenomena including semi durations of sunlight, civil twilight and moonlight included in the publication at the request of the Royal Navy