Zuhr Namaaz Obligatory Rakahs
All the sunnah prayers fall under the heading of Nafl prayers. They are not obligatory and neither they make salat incomplete if not offered Sunnat moakadda is a term used to define nafl prayers that Muhammad SAW offered very regularly. If time is running out then zuhr fard should be offered. However, zuhar and asr can be combined as well In the end, the more we pray it’s better for us despite of any fatawas or opinions. It’s only between the person and his Lord!