The Nautical Almanac 2025 is an essential resource for anyone involved in marine navigation. For over 150 years, the United States Nautical Almanac Office has published this critical guide, which remains the standard for celestial navigation. Perfect for both professional mariners and amateurs alike, this edition continues to provide accurate astronomical data crucial for navigating the open waters. Developed in collaboration with Her Majesty's Nautical Almanac Office, the Nautical Almanac 2025 includes meticulously tabulated data at hourly intervals. This precision ensures that users can confidently rely on its information when planning voyages and charting courses. The data features: Greenwich hour angle and declination of the Sun, Moon, and navigational planets. Positions of key navigational stars and rise and set times for the Sun and Moon across various latitudes. Additionally, the Nautical Almanac 2025 comes equipped with invaluable tools such as sight reduction tables and formulas, along with various correction tables to assist in the sight reduction process. These features serve to enhance both accuracy and efficiency during navigation, allowing mariners to make informed decisions on the water. Moreover, a concise sight reduction form located at the back of the book offers quick reference solutions, augmenting the practicality of this invaluable resource. Whether preparing for your next voyage or enhancing your celestial navigation skills, the Nautical Almanac 2025 is a reliable companion for navigating the high seas. Please note that this book is no longer available in hardcover format, so act quickly to secure your copy.