Home | Blog | The Ultimate Guide on How to Spend One Day in Sydney Welcome to our locals guide on how to spend one day in Sydney like an absolute boss! The Best Way to Spend One Day in SydneyBut what if you don’t have a long time? From this one point on the harbour its possible to see the CBD, the Opera House, Sydney Harbour Bridge, a good part of the Harbour and across to Taronga Zoo. Lastly there is no better way to end your epic day in Sydney than by taking a twilight tall ship cruise on the harbour. Sailing on Sydney Harbour on a tall ship.