Windows interactive viewer showing day and night move across the world's timezones. View the current, future and past times of sunrise and sunset in 3000 locations worldwide. Check what the current local time is. Plot and animate a flight itinerary. View information about locations around the world where the sun is currently rising or setting. Produce a yearbook of sunrise and sunset times for a specific location. Calculate planetary positions and distances from Earth. View the Sun's compass bearing, angle above the horizon, and the colour of the sky during twilight. Animate the path of the Sun, Moon and major planets across the sky relative to an observer's horizon