Crashing from time format error

**Describe the bug**
Game crashing due to time format issue? 

**To Reproduce**
Place down a speaker, and wait.


**Expected behavior**
Speaker should work.

**Screenshots**
If applicable, add screenshots to help explain your problem.


**Technical Information:**
 - OS: windows 
 - Mod Loader: forge 
 - Mod Version: 0.3.3

**Additional context**
Crashlog here: https://pastebin.com/jxXam6rr