Good first attempt!
My recommendation would be to work on the lighting or render settings some more because for a night scene, many surface look to bright or not illuminated currently.
If you upload a blender file, we could take a look.
A community for users of the awesome, open source, free, animation, modeling, procedural generating, sculpting, texturing, compositing, and rendering software; Blender.
Rules:
Good first attempt!
My recommendation would be to work on the lighting or render settings some more because for a night scene, many surface look to bright or not illuminated currently.
If you upload a blender file, we could take a look.