Grace Jones performs on the Tamaki stage at 7.45pm, but Justice fans will need to leave early and head towards the main stage at 8.15pm.
And Aussie sample titans The Avalanches are up against Future and Tash Sultana.
Hip-hop fans are in luck, with clear air between SWIDT's 1.30pm show, Young Thug's 5.15pm set, and Future's 7.15pm set.
Promoter Campbell Smith encourages fans to explore the timetable further than the headliners.
His picks include Norway's Sigrid, Aussie act Tash Sultana and young acts like Drax Project and Alien Weaponry.
He also points to Justice's set, which includes 24 tonnes of equipment being shipped in for it, and Grace Jones.
"I still can't quite believe we have her in Auckland at last. We know she is going to be the festival highlight for many fans, especially as she will play a full concert length 75 minute set."
Auckland City Limits is returning to Western Springs after debuting in 2016.