Moon Phase Calendar Offline

100% offline. No advertising. No tracking. The lunar calendar for biodynamic gardeners, astrophotographers, anglers and stargazers. NASA-grade 1900–2100.

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