Sky Calendar: Eclipse & Aurora

Meteor Shower, Moon Phase, ISS

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Never miss what's up in the night sky. Local times, where to look and tonight's conditions for your city, with a reminder before every event. Every eclipse, meteor shower, aurora and dark night over your city, worked out through 2076. See tonight's clouds and darkness at a glance, and get a reminder before each event starts. Sky Calendar computes the sky for 371 cities worldwide. Pick yours, and every event comes with local times, where to look and how high it will be. ▶ EVENTS FOR YOUR CITY • Solar and lunar eclipses with local times, the eclipse path on a map and the nearest cities in totality. Ready for the total solar eclipse of 2 August 2027 across Spain and North Africa • Meteor showers with the peak night and the best hours to watch • Full moons, supermoons and Moon phases • Planets: when they are visible and when they meet in the sky • ISS passes over your city • Bright comets, all the way to Halley's Comet in 2061 • Milky Way nights: the dark, moonless nights when the galactic core is high ▶ TONIGHT • Cloud cover, darkness and what is up tonight • Tonight and tomorrow night for free, the nights after with Plus ▶ NORTHERN LIGHTS (Plus) • Aurora forecast from NOAA Kp data and a 30-minute nowcast • An alert when the aurora may be visible from your city ▶ WHERE TO WATCH (Plus) • Map of observing spots near your city, from city parks to dark-sky sites, with light pollution levels ▶ FIND IT IN THE SKY • Point your phone at the sky and the AR view shows where to look (Plus) ▶ FOR ASTRONOMERS • Astronomer mode: Bortle and SQM, magnitudes, ZHR, azimuth and altitude, and astronomical twilight instead of everyday words • Red night mode keeps your eyes used to the dark • Night chart: meteors per hour and visibility through the night, in the city and outside it (Plus) ▶ ALWAYS FREE • Reminders before each event • Home Screen and Lock Screen widgets • Live Activities for eclipses • Every tool on solar eclipse pages • Milky Way nights • The coming 12 months of events for your city ▶ SKY CALENDAR PLUS Plus opens every planning tool: the observing spot map, the forecast for the coming nights, the night chart, the Moon calendar, aurora forecast and alerts, events through 2076, more than one city, the AR view and adding events to your calendar. Choose monthly, yearly (with a 7-day free trial) or a one-time lifetime purchase. Payment is charged to your Apple Account when you confirm the purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the period ends. Manage or cancel your subscription in your Apple Account settings. Any unused part of a free trial is forfeited when you buy a subscription. Terms of Use: https://skycalendar.netlify.app/terms.html Privacy Policy: https://skycalendar.netlify.app/privacy.html Clear skies!

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New in 1.1 • Astronomer mode: Bortle and SQM, magnitudes, ZHR, azimuth and altitude, and astronomical twilight instead of everyday words. Turn it on in your profile. • Red night mode keeps your eyes used to the dark. Switch it with the eye button on Tonight and in the sky views. • Night chart on event pages: meteors per hour and visibility through the night, in the city and outside it (Plus). • Every event now shows how well you'll see it from the city and from a dark spot outside it. • Directions are worked out for where your phone is, and the aurora shows where to look instead of always north. • T Coronae Borealis, the nova due any night now: where to look, and an alert when it erupts. • The forecast now counts cloud layers, fog and dew. • Tonight and tomorrow night are now free to plan, and solar eclipse pages are free in full. • Faster start: the city list and event descriptions download once a month instead of on every launch.

The developer, Szabo Matyas, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Location
    • Contact Info
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
Szabo Matyas
Size
11.5 MB
Category
Reference
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • Mac
    Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
  • Sky Calendar Plus Lifetime $44.99
  • Sky Calendar Plus Monthly $2.99
  • Sky Calendar Plus Yearly $17.99
Copyright
© 2026 Mátyás Szabó