Crepuscular - Civil Twilight

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