Hydrographic Institute of the Republic of Croatia has published its regular, annual, official navigational publication Nautical Almanac 2022, according to the programme whose author is Prof. Petar Čumbelić, PhD. This publication is intended for use onboard ships and in nautical colleges for solving celestial navigation tasks. Nautical Almanac provides the ephemerides of celestial bodies (the Sun, Moon, First Point of Aries, and planets), information on stars, and other facts relevant to celestial navigation.