Mcpe 0.8.0 survival stays day

What I expected to happen was...:
Describe what you thought should happen here
I expected the survival worlds to change between day/night
What actually happened was...:
Describe what happened here
I went into my survival worlds and the clock didn't work.The clock didn't work because the world was staying at day just like creative mode.

Steps to Reproduce:
1. Create a survival world.
2. Craft a clock,The clock doesn't work,stays at day
3. Look up at sun and it stays in the same position.