The SPFL have reshuffled several Celtic and Rangers fixtures due to the pair's Europa League involvement.
No fewer than nine Premiership matches have been moved between October and December.
But the announcement stressed the schedule is subject to further changes with kick-off times likely to be altered for TV coverage.
Both clubs' group stage Euro campaigns are set to begin later this month.
Celtic 's trip to face Aberdeen and Rangers ' visit to Tannadice are among the clashes to be rearranged.
The SPFL also announced changes to three upcoming Betfred Cup ties.
Cowdenbeath vs Hearts has been moved to the Locality Hub Bayview Stadium on October 10.
Inverness CT vs Cowdenbeath will now kick off at 6.30pm instead of 7.45pm on October 13.
And Hamilton Accies' visit to Stranraer will now be played on October 11 due to the former taking on Rangers on October 8.
You can view the full list of rearranged Celtic and Rangers fixtures below.
New fixture dates in full
Aberdeen vs Celtic - Sunday, October 25 at 3pm.
Rangers vs Livingston - Sunday, October 25 at 3pm.
Kilmarnock vs Rangers - Sunday, November 1 at 3pm.
Motherwell vs Celtic - Sunday, November 1 at 3pm.
Rangers vs Hamilton Accies - Sunday, November 8 at 3pm.
Celtic vs St Johnstone - Sunday, December 6 at 3pm.
Ross County vs Rangers - Sunday, December 6 at 3pm.
Celtic vs Kilmarnock - Sunday, December 13 at 3pm.
Dundee United vs Rangers - Sunday, December 13 at 3pm.
