is around 530 a.m. Civil twilight, or the period where the sun is still below the horizon, but is clearly lighting the sky, starts just after 6 a.m. with the actual sunrise around 6:40 a.m. The ...

With the delicate light fading on and off at sunrise and sunset ... to enhance the perception of the morning and evening sky in his Twilight Epiphany Skyscape. Erected in 2012, this installation ...