SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...
Google Calendar - Spend less time managing your day & more time enjoying it
SunCalc - Find out where the sun will be at any time in any location
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.
Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.
Jorte - Schedule books must be practical and has a good design.