Moon Phase Calendar Offline

100% offline. Zero ads. Zero tracking. Built for biodynamic gardeners, astrophotographers, anglers, and stargazers. NASA‑grade accuracy 1900–2100.

The offline lunar calendar built for biodynamic gardeners, astrophotographers, anglers, and stargazers. Zero ads, zero tracking, zero in-app purchases. NASA-grade accuracy from 1900 to 2100.

100% OFFLINE — FOREVER Never needs internet. Open in airplane mode. No accounts, no login, no cloud. The math runs locally on your device using Meeus astronomical algorithms — the same equations professional observatories rely on.

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.

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 center altitude
• 8 major annual meteor showers with moon-interference rating
• Eclipse path visualizations for 2024–2030

SOLUNAR FISHING & HUNTING TIMES Major and minor solunar feeding windows for every day, every location. Based on Knight's solunar theory and verified against In-Fisherman magazine tables. Star rating per day so you 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 August 2, 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

PRIVACY PROMISE

• Zero ads
• Zero tracking
• Zero analytics
• Zero in-app purchases
• Zero data collection
• Zero internet required We don't sell your data because we don't collect any.

ASTRONOMICAL EVENTS 2026–2030

• Mar 3 2026 — Total lunar eclipse, Pacific & Americas
• Aug 12 2026 — Total solar eclipse, Greenland, Iceland, Spain
• Mar 3 2027 — Total lunar eclipse, Americas & Europe
• AUG 2 2027 — TOTAL SOLAR ECLIPSE across Southern Europe and North Africa
• Jul 22 2028 — Total solar eclipse, Australia & New Zealand Full eclipse table inside the app.