Translation:What time is our Chinese class?
Please report your alternate response suggestions!
This is even the more literal translation, and should be the "first" correct answer. You made this rimark 2 months ago ... your correct answer is still not implemented ...
When do we have Chinese class? Reported 12/16/17.
"When is our chinese class?" and "When is our chinese lesson?" should also be accepted, I think.
You can probably get away with treating them as functionally equivalent. There may be some technical differences, but commentators disagree as to what they are. Also, there are regional preferences with respect to these terms and several other similar ones: