Before anyone can give you an accurate response, I think you need to specify what the purpose of the "court date" was for.
The information presented here is general in nature and is not intended, nor should be construed, as legal advice. This posting does not create any attorney-client relationship with the author (who is only admitted to practice law in the State of California). For specific advice about your particular situation, consult your own attorney.
Per the earlier answer, it depends on what was SUPPOSED to happen on that date: what was the court GOING to do? If you go to the court where the hearing was set, you'll be able to view the file from your case (you'll need to know your case number). In the file, there should a a paper called a "minute order" SAYING what the court did on the date you missed. Then, you should speak to an attorney if you need to get the court to CHANGE what the court did.