Patent ID: 7130529

Claim:
A recording apparatus for recording N (N is an integer) pieces of data, data management information for each of the N pieces of data and total management information for managing the N pieces of data on an optical disk recording medium, comprising: means for recording time zone information (TM_ZONE) indicating a time difference between a world standard time and a standard time in a predetermined location on the total management information; means for recording, on the data management information area of the optical disc recording medium, recording time zone information (REC_TM_ZONE) at a time of recording data indicating a time difference between the world standard time and the standard time in a location where the data have been recorded, and data recording time information (REC_TM) indicating a time of recording the data in accordance with the standard time indicated by the time zone information (TM_ZONE); and means for recording, on the data management information area of the optical disc recording medium, a flag indicating whether or not the recording time zone information (REC_TM_ZONE) at the time of recording the data specifies the time difference between the world standard time and the standard time in the location where the data have been recorded.