Most planar (flat) sundials are categorized by the orientation of the face - the direction faced by the surface that receives the shadow.

• Horizontal
• Vertical - including declining and reclining
• Polar
• Equatorial and Armillary
• Polyhedral - combining various orientations on multiple faces
• Analemmatic
• Other Types
  
  
  
• See A Unique Sundial Park in Genk, Belgium.
• Which is part of The Sundial site of Frans Maes
         Explore the left frame.