The Nautical Almanac is the nautical almanac published by HM Nautical Almanac Office in the United Kingdom. Nautical Almanac may also refer to: Nautical almanac, a publication describing the positions and movements of celestial bodies Nautical Almanac (band), an altered-electronics noise music band American Ephemeris and Nautical Almanac, which includes the U.S. Nautical Almanac