Description:EZ Nautical Almanac is a practical celestial navigation app for sailors, students, and instructors. Get fast, reliable Sun, Moon, planet, and star data, plus step-by-step tools to turn sextant sights into positions. Designed for on-deck use and classroom training, it works offline for ocean passages and remote cruising. Ideal for learning and backup to electronic charts, with clear guidance and education-friendly design. Keywords include celestial navigation app, nautical almanac, marine navigation, sight reduction, offline navigation.
Core features
- Instant almanac data for Sun, Moon, planets, and key navigational stars with rise and set, twilight, and recommended observation windows
- Guided sight reduction that applies standard corrections and outputs intercept and azimuth for line-of-position plotting
- Offline-ready workflow with GPS or manual position entry, time tools, and exportable logs for training and voyage records
How to use:1. Download and open the app, allow location access if desired, and choose units and time settings in Setup.
2. Set date, time, and position using GPS or manual entry to view the daily almanac for the Sun, Moon, planets, and stars.
3. Tap a celestial body to see rise and set, twilight, and best observation windows for planning sights.
4. Open Sight Reduction, enter body, exact UTC time, observed altitude, index error, and height of eye; review the automatic corrections and read the intercept and azimuth.
5. Save your session, add notes, and export logs for training or voyage records; enable offline mode before heading offshore for uninterrupted access.