Ghost Scheduled Posts doesn’t go live

When I set Post to scheduled. It allways adds two ours. And never go live. Anyone any Idea how can I fix this?

To reproduce you can install ghost on uberspace like:
https://lab.uberspace.de/guide_ghost.html?highlight=ghost

I fixed it at my self :slight_smile:
The Problem was, I installed the node modules with npm. I have to use yarn. No it works.