I then realized there's probably an app for that! I found one designed for photographers. It reports civil/nautical/astronomical sunrise/sunset plus many other times like the "Golden Hour" when the sun is low on the horizon and produces a warm color.
It can display:
- A map showing the position of the sun and moon with respect to your current location.
- A graph showing the ascent and descent of the sun and moon over time (and the moon's current phase and illumination level).
- The weather forecast for the current location.
http://www.exsate.com/products/goldenho ... nshots.php