Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
The Photographer's Ephemeris - TPE is a tool to help you plan outdoor photography in natural light, especially landscape and urban scenes. It is a map-centric sun, moon and milky way calculator: see how the light will fall on the land, day or night, for any location on earth.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.