Types of twilight
Diagram of times of day relating to twilight, with labels in English.
Created for Wikimedia Commons and the English-language Wikipedia
by "en:User:Why Not A Duck" and "en:User:Wmc824"
and licensed under the "Creative Commons
Attribution 3.0 Unported" license.
Horizon
EveningTwilight
MorningTwilight
Sunset
Sunrise
Technical Twilight
Daylight
Dusk
Dawn