Nautical Almanac 2024 Online. Astronomical and calendar information sheets from hm nautical almanac office, for details on moon phases, eclipses, british summer time and more. Posting of screenshots and some other image data on social.

The book is produced in collaboration with her majesty’s nautical almanac office in the uk. The almanac specifies the hourly position on the earth’s surface at which the sun, moon, planets and first point of aries are directly overhead.