Rangers are three points clear at the top of the table after beating Kilmarnock 2-0 at Ibrox thanks to second-half goals from Kemar Roofe and Ryan Kent.
Defender Hakeem Odoffin scored late on as Hamilton Accies moved off the bottom with a 1-0 victory over Motherwell in the Lanarkshire derby at Fir Park.
Ross County are in third spot after their 1-1 draw with St Mirren in Paisley. Jon Obika had Saints in front but they had Joe Shaughnessy sent off and a Nathan Sheron own goal levelled matters.
Celtic defeated Dundee United 1-0 at Tannadice in the final game of the day - substitute Albian Ajeti got the only goal with seven minutes left for Neil Lennon’s men.
There are two games on Sunday - Aberdeen host Livingston at 3.00pm and St Johnstone face second-placed Hibernian at McDiarmid Park, live on Sky Sports at 4.30pm.
Check out all the weekend's highlights here: