This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
(adj) of, resembling, or relating to twilight
Perhaps the glow at the horizon is neither of longer sunsets nor less sudden dawns, but is rather a protracted, constitutive ambiguity. Such crepuscularity we have all known, and will all know again.