Nautical Almanac is an Android-based navigation tool developed by Skrypkin Maksym. It is a free program that falls under the Business & Productivity category. This program is designed to calculate azimuth, height, and other celestial almanac information for the Sun, Moon, primary navigation stars, and navigation planets like Venus, Mars, Jupiter, and Saturn. In addition, it can find Variation (Mag. Declination) for a given position to calculate the magnetic compass error. The variation calculation is based on the latest World Magnetic Model (WMM2015). From version 1.05 onwards, the program has a Gyro and magnetic compass error calculator.

It is important to note that the program requires VENDING permission for in-app billing in case you wish to donate or activate the GPS option. Nautical Almanac is a comprehensive navigation tool that provides accurate and reliable information for anyone in need of celestial navigation information.