1. There are three official theme songs for the event, " Civil Twilight . 2. But at the poles, civil twilight can be as long as 2 3 weeks. 3. I sit and watch from civil twilight until astronomical twilight. 4. Other tours include long runs with Katy Perry, OneRepublic, NeedtoBreathe, Civil Twilight and The Parlotones. 5. The latter run was as support for Civil Twilight . 6. Law-makers have enshrined the concept of civil twilight . 7. Story of an Immigrant " "'is the third studio album by South African alternative rock Civil Twilight . 8. After sunset, civil twilight sets in, and ends when the sun drops more than 6?below the horizon. 9. In 2007, the Civil Twilight Collective created a variant of the conventional LED streetlight, namely the Lunar-resonant streetlight. 10. After sunset the civil twilight sets in, and ends when the sun drops more than 6?below the horizon.