Year 29 BC was either a common year starting on Friday or Saturday or a leap year starting on Thursday , Friday or Saturday ( link will display the full calendar ) of the Julian calendar ( the sources differ , see leap year error for further information ) and a leap year starting on Thursday of the Proleptic Julian calendar .
Year 29 BC was either a common year starting on Friday or Saturday or a leap year starting on Thursday , Friday or Saturday of the Julian calendar .