You can't be divorced until 6 months after you served your petition for dissolution on your ex. So if you served in December it would be June, at the earliest, that your divorce would be final.
If you filed all the correct paperwork, which the FL examiner will determine you will see an annotation that judgment is entered.
Note this answer does not constitute legal advice, and should not be relied on. Each situation is fact specific and court specific, and it is not possible to evaluate a legal problem without a comprehensive consultation and review of all the facts and court pleadings filed in the case. This answer does not create an attorney-client relationship