The offline lunar calendar built for biodynamic gardeners, astrophotographers, anglers and stargazers. No advertising, no tracking, no in-app purchases. NASA-grade accuracy from 1900 to 2100.
100% OFFLINE — FOREVER
Never needs the internet. Opens in aeroplane mode. No accounts, no login, no cloud. The maths runs locally on your device using Meeus astronomical algorithms — the same equations relied upon by professional observatories.
BIODYNAMIC GARDENING CALENDAR
Sow, plant and harvest by the moon. Each day is classified as a Root, Leaf, Flower or Fruit day following the Maria Thun method — the sidereal zodiac convention used by certified Demeter biodynamic farms across Europe and the British Isles.
ASTROPHOTOGRAPHY & GOLDEN HOUR
- Golden hour and blue hour for every sunrise and sunset
- Dark sky window — when the moon is below the horizon during astronomical night
- Milky Way visibility with galactic centre altitude
- 8 major annual meteor showers with moon-interference rating
- Eclipse path visualisations for 2024–2030
SOLUNAR FISHING & SHOOTING TIMES
Major and minor solunar feeding windows for every day and every location. Based on Knight's solunar theory and verified against In-Fisherman magazine tables. Star rating per day so you can plan trips at peak activity.
LUNAR CALENDAR 1900–2100
- All four moon phases: new, first quarter, full, last quarter
- Supermoons, blue moons, blood moons, harvest moons
- TOTAL SOLAR ECLIPSE 2 AUGUST 2027 across Spain, Gibraltar, Morocco, Algeria, Libya, Egypt
- Lunar age, illumination percentage, distance from Earth
- Moonrise and moonset for your exact location
- Tropical and sidereal zodiac sign for every day
STARGAZING ESSENTIALS
- Civil, nautical and astronomical twilight
- Sun and moon altitude / azimuth for any moment
- Constellation the moon is currently passing through
- Compass overlay for moon and sun position
OUR PRIVACY PROMISE
- No advertising
- No tracking
- No analytics
- No in-app purchases
- No data collection
- No internet required
We don't sell your data because we don't collect any.
ASTRONOMICAL EVENTS 2026–2030
- 3 March 2026 — Total lunar eclipse, Pacific & Americas
- 12 August 2026 — Total solar eclipse, Greenland, Iceland, Spain
- 3 March 2027 — Total lunar eclipse, Americas & Europe
- 2 AUGUST 2027 — TOTAL SOLAR ECLIPSE across Southern Europe and North Africa
- 22 July 2028 — Total solar eclipse, Australia & New Zealand
