Sorry in advance if this is a duplicate issue, but I couldn't find a simular issue.
When you exit a world and the re-enter it, the armorstands will have rotated to be facing south (positive Z)
Environment
Windows 10
Minecraft version 1.13.1/vanilla
Minecraft Java
Superflat world with void preset
Java Version 1.8.0_51 64bit
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duplicates 1
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