ISS cross the terminator and experience this day-night cycle 16 times a day. This sped-up view shows two complete orbits on 3rd January 2013 from 11:43 to 15:49 UTC.
The sequence of shots were taken on a pass from northwestern Australia, making two complete orbits to eastern Quebec, near the Gulf of St. Lawrence. This fast-paced video features the ISS completing two and a half orbits around the Earth, crossing the terminator line several times in the process.
Click the image to view the YouTube video.