Celtic are at home to Norwegian champions Bodo/Glimt in their Europa Conference League play-off round first leg match, kick-off 8.00pm.
Ange Postecoglou's men qualified after finishing third in their Europa League group behind Bayer Leverkusen and Real Betis.
Rangers are in Germany to take on Borussia Dortmund in the first leg of their Europa League play-off, kick-off 5.45pm.
The Ibrox side were runners-up to Lyon in Group A while Dortmund were third in their Champions League section behind Ajax and Sporting Lisbon.
The second legs take place next Thursday, February 24.
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