Admiralty Nautical Almanac 2024. The free online nautical almanac. With more than 35,000 nautical books and charts on our shelves, bluewater books & charts is america's largest seller of nautical books, paper charts, and electronic charts.
The nautical almanac contains astronomical information to support bridge crews in routine and emergency celestial navigation, as well as the calculation of. Her majesty’s nautical almanac office (np314), 2024 edition.