Rotation Instanced Static Mesh in event graph

Hello everyone,
I have Instanced Static Mesh made of single Sun Shaders. I want to rotate every single one in on direction. I did that in Construction Script, promote to variable as Angle (Pics). The question is how to change Variable Angle in Construction Script in Event Graph? Or some other method by Update Instance Transform? I’ve tried many ways, but at the end all SUn Shaders are rotating by pivot First Sun Shaders.