No Day Bug

Put the summary of the bug you're having here

I was thinking the time would become day

But the night continued

Steps to Reproduce:
1. Create a survival world with OPTIFINE
2. ./time set day
3. You will see that its still night
4. ./time add 1000 , 2000 ,3000 , 10000 .
5 . You will notice that sometimes the sun pops and becomes night.
6. Bug produced.