Your personal guide to the sun and moon.


Built for professionals.

Everything you need at your fingertips to plan ahead or adapt to changing conditions in real-time.

Photo & Video

Plan the perfect shot with the perfect light, or adapt to real-time conditions on-the-fly.

Architecture, Real Estate, Landscaping

Visualize sunlight and shade throughout the year for any site.

PV Industry

Preview solstice & equinox paths and view horizon obstructions.

All the Details

Golden hour & blue hour times, moon phases, super moons, milky way center visbility, and much, much more.

Collaborate with Colleagues and Clients

Share locations, screenshots, and data.

Speaks your Language

English, Deutsch, Français, 日本語, Italiano, Español, Català, русский, Norsk (Bokmål), Dansk, Nederlands, 中文 (繁體), 中文 (简体), 한국의, čeština, Türkçe, Português, Polski


The best sun and moon guide, designed for you.

Sun Surveyor provides powerful tools to plan, predict, visualize and interact with the sun and moon - all wrapped in an easy to use interface, with great support.

  • Live View - Augmented reality using the device's camera to put you in the center of a sun and moon path simulator.
  • Interactive Map - Visual sun and moon overlays, distance and elevation calculations, shadows.
  • Street View - Explore and plan near and far with 360° interactive panoramas.
  • 3D Compass - Get your bearings instantly with a unique perspective.

iPhone® and Android™ Screenshots

Get Sun Surveyor