Civil Twilight: Sun Calculator

EASA & FAA Night Times

$0.99 · Designed for iPad. Not verified for macOS.

Check EASA night boundaries, all three FAA periods, sunrise, sunset, twilight, Golden Hour and Moon phase for any date and location. Civil Twilight gives you a clear view of the Sun’s daily cycle and aviation night boundaries for any location and date. Designed for pilots and flight students, and useful for photographers and anyone planning around daylight. AVIATION • EASA night boundaries based on civil twilight. • FAA general night under 14 CFR 1.1. • Position-light period under 14 CFR 91.209. • Passenger Night Currency period under 14 CFR 61.57(b). SUN, TWILIGHT AND MOON • Sunrise and sunset. • Civil, nautical and astronomical dawn and dusk as complete intervals. • Morning and evening Golden Hour. • Moon phase and approximate illumination. • Clear states for midnight sun, polar night and thresholds that are not crossed. LOCATION AND TIME Use your current position temporarily, select a point on the map or save locations for later. Times are shown in the selected location’s local time, with optional UTC. LOCAL-FIRST AND PRIVATE No account, advertising, analytics or tracking. Saved locations remain on your device. Astronomical calculations and saved locations work offline. Apple Maps, reverse geocoding and resolving a new time zone may require a network connection.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, MPK Tec AB, 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.

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

    Accessibility

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

    Information

    Seller
    • MPK Tec AB
    Size
    • 5.3 MB
    Category
    • Weather
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 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 and 2 more
    • English, German, Swedish
    Age Rating
    4+
    Copyright
    • © 2026 MPK Tec AB
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

    More by MPK Tec AB