If you are LC based case, PD is the date of LC submission time. You yours is either EB1 or NIW, the PD is 8/27/03.
Your PD should be on your 140 receipt and 140 approval notice. 
回複:Asking xiaobaitu,my two cents,etc about my priority date
所有跟帖:
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                    Thanks,mytwocents and Dr.GC
                     -rz- 
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                        02/14/2006 postreply
                                                12:31:46