Eclipse Companion

Your guide to the 12 August 2026 Total Solar Eclipse.

Eclipse Companion helps you choose where to watch, understand what you’ll see, and stay ready on eclipse day.

Designed for observers across Europe, the app brings together precise local eclipse timings, totality path guidance, location comparison tools, live eclipse simulation, weather context, horizon checks, and phase-specific reminders in one focused experience.

Available in English, Spanish, Portuguese, and Romanian.

Plan the best viewing spot
• Check whether a city is inside the path of totality
• See maximum eclipse time for supported European locations
• View totality duration where applicable
• Compare candidate viewing locations
• Discover Best Spot and Great Spot recommendations
• Sort cities by duration, altitude, weather, and viewing quality

Check the horizon
• Use Horizon Check to understand where the eclipse appears in the sky
• See live compass direction toward maximum eclipse
• Use the altitude gauge and device-level horizon line to judge low-horizon viewing
• Review curated Horizon Labels for selected cities and coastal/open-view locations
• Get practical guidance for avoiding buildings, trees, ridgelines, and blocked views

Check weather context
• Hourly cloud-cover overview near key viewing times
• Expand for detailed hourly forecast information
• Compare weather context across locations
• Review historical cloud conditions for selected cities

Preview the eclipse before it happens
• Real-time animated Sun and Moon alignment
• Preview Mode to explore each eclipse phase in advance
• Visual markers for key eclipse moments

Stay ready
• Phase-specific reminders before important eclipse moments
• Alerts for first contact, maximum eclipse, totality start, and totality end where applicable
• Built-in eye-safety guidance for responsible eclipse viewing