Crepuscular - Civil Twilight
Sunrise, Sunset & Twilight
Free · Designed for iPad. Not verified for macOS.
Know exactly when civil twilight begins and ends — precise times for your GPS position, on your watch face and home screen.
This app calculates the exact start and end of civil twilight for your current GPS position. Civil twilight is the period during which the sun is between 0° and 6° below the horizon.
The app gives you the precise times for your exact location, updated automatically as you move.
Features
• Accurate civil twilight times for morning and evening
• Sunrise and sunset times
• Automatic GPS location — no manual input required
• Local time and UTC display
• Current phase: Night · Twilight · Daylight
• Apple Watch companion app with 4 complication styles
• Home Screen widgets: small, medium, large
• Apple Watch works standalone — no iPhone required
• Automatic sync between iPhone and Watch
• Location source indicator: Watch GPS, iPhone, or cached data
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Matthias Rudolph, 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
- Seller
- Matthias Rudolph
- Size
- 2.4 MB
- Category
- Navigation
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later. - Apple Watch
Requires watchOS 26.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- German
- Age Rating
4+
- 4+
- Copyright
- © 2026 Matthias Rudolph