The 2025 Commercial Nautical Almanac for Mariners and Navigators

Navigate with Confidence - The Nautical Almanac 2025 (Commercial Edition) The Nautical Almanac 2025 is an essential navigation reference for mariners, navigators, and sailing enthusiasts. Based on the official edition produced by the United States Naval Observatory, this Commercial Edition provides all the key astronomical data needed for celestial navigation, helping sailors determine their precise position when out at sea-far beyond the reach of GPS. Inside, you'll find: * Daily positions of the Sun, Moon, planets, and navigational stars * Essential tables for sight reduction and time conversions * Clear, accurate data formatted for practical, real-world use Whether you're a seasoned ocean navigator, a student of marine navigation, or simply passionate about traditional sailing methods, the Nautical Almanac 2025 is a trusted companion for safe and reliable passage.