I just created a new Void Flat World and I looked at the sun and it kept teleporting backwards, making the Minecraft day infinite.
MC-59755
Sun Teleportation
Resolved
Incomplete
0
Please attach the complete output of the "Development console" which can be found on the second tab of the launcher.
If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open".