Nautical Almanac
Nautical Almanac Summary
Nautical Almanac is a mobile Android app in Maps And Navigation by Navigational Algorithms. Released in Jul 2014 (11 years ago). It has about 1.7K+ installs and 25 ratings with a 3.33★ (mixed) average. Based on AppGoblin estimates, it reaches roughly 120 monthly active users . Store metadata: updated Apr 22, 2025.
Recent activity: 64 installs this week (82 over 4 weeks) showing exceptional growth View trends →
Store info: Last updated on Google Play on Apr 22, 2025 .
3.33★
Ratings: 25
Screenshots
App Description
The Nautical Almanac in your smartphone or tablet
Celestial navigation - Astronavigation
Nautical almanac:
- Equatorial geocentric coordinates: RA/GHA, Declination for Sun, Moon, and navigational stars and planets .
- SD, HP
- SHA
- GHA Aries
Visible sky:
- Identification of stars and planets - it plots the visible sky from a position at a certain moment.
- Polar and horizon chart.
Planning observation:
- Twilight
- Rise/set for Sun and Moon
- Meridian passage
Solar time:
- GAT, LAT, LMT
- Equation of time
Sidereal time (Aries):
- LHA, GAST, LAST
Lunar distances
- Three methods of location: by input dialog box, using Google Maps, direct location (provider: GNSS, Network), to initialize your position.
For GPS or network location - "Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible
- Your last position is automatically saved.
- Storage permission needed for Google Maps cache and for save your position.
Manual and examples at the developer's website.