The Paralympic star was formally charged with Ms Steenkamp's murder on what would have been her 30th birthday.
Mr Pistorius (pictured in court) was granted bail in February and denies murdering Ms Steenkamp.
The double-amputee fired four shots through a bathroom door at his Pretoria home on Valentine's Day.
He says he shot her after mistaking her for an intruder.
The prosecutor in the case said the dates of 3 to 20 March had been mutually agreed for the trial and he handed over details of the prosecution's case against Mr Pistorius, 26, including a witness list and forensic reports.
If convicted, he faces a life sentence with a minimum of 25 years in prison.
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