Eclipse Timer
Weather
Free · Designed for iPad
Eclipse Timer computes precise contact times for solar eclipses at any location you choose — down to the second.
Pick an eclipse from a catalog spanning 1900 to 2100, drop a pin on the map or use your GPS, and instantly see when each phase of the eclipse begins and ends at your exact location.
FEATURES
• Browse 200+ solar eclipses from 1900 to 2100 — total, annular, partial, and hybrid — with search and filtering by year, date, type, or catalog ID.
• Tap the map, drag a pin, or use GPS to set your observer location. The engine computes results for your precise coordinates.
• View all five contact times (C1, C2, Greatest Eclipse, C3, C4) in both UTC and your local time zone. See eclipse type, magnitude, and duration of totality or annularity at your chosen spot.
• Live countdown timer shows days, hours, minutes, and seconds until the next eclipse event for the selected eclipse.
• Set notification reminders for eclipse contacts — one hour before, ten minutes before, or at the moment of each event. Choose between system sounds, vibration, or spoken voice (TTS) alerts.
• Interactive map overlays show the eclipse's visible path and central line so you can see where totality or annularity occurs.
• NASA preview animations let you visualize each eclipse before it happens.
• Save favorite locations for quick access across different eclipses.
HOW IT WORKS
Eclipse Timer uses the classical Besselian elements method — the same mathematical framework used by professional astronomers — to compute local eclipse circumstances. The engine evaluates polynomial shadow geometry at your observer coordinates to determine exactly when the moon's penumbral and umbral shadows reach your location.
All computation happens on your device. Your location is never sent to any server.
PRIVACY
Eclipse Timer requests location access only when you choose to use GPS. Your coordinates stay on your device and are used solely to compute eclipse times. The app contains no ads, no analytics, no tracking, and no user accounts. See our full privacy policy for details.
Whether you're planning a trip to see totality, checking if a partial eclipse will be visible from your backyard, or exploring historical eclipses — Eclipse Timer gives you the precise timing data you need.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
- Improved eclipse preview accuracy so C1/C2/MAX/C3/C4 geometry and moon-path direction are more consistent.
- Added and refined a compact MAX View preview in the Timer hero, including corrected sun/moon sizing ratios.
- Cleaned up the Timer screen with a larger map-first layout and less on-screen clutter.
- Improved map legend placement and label clarity, and reduced overlay opacity in photo/satellite map modes for better detail visibility.
- Updated timing and metrics: long durations now display as hh:mm:ss, and summary labels now emphasize C1-C4 Duration and Totality Duration.
- Included stability and maintenance updates for build/release reliability.
The developer, Lalit Sharma, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Lalit Sharma
- Size
- 30.6 MB
- Category
- Weather
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 c0d3rb4b4