Ange Postecoglou has thanked the "brilliant" Celtic fans set to attend the early Europa League kick-off against Ferencvaros.
The group stage clash - which would usually have been scheduled for a Thursday night - has been moved to a 3pm kick off on Tuesday due to the COP26 conference taking place in Glasgow in November.
Police Scotland informed Celtic that no home matches could take place in the city on match day four, which overlapped with the climate change summit.
UEFA, therefore, were forced to schedule two clashes in Glasgow on match day three.
Police and stewarding resources were not sufficient to accommodate both Celtic and Rangers playing at home on the same evening and the Parkhead side were moved to an unusual date and time.
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The early midweek kick-off means a number of fans won't be able to attend, with the club admitting their frustration at the situation.
But Postecoglou was keen to express gratitude to the supporters who will make it to Celtic Park for a crucial clash with the Hungarians.
He said: "I just wanted to take this opportunity to thank so many supporters for committing to next week's match.
"We fully understand that this is a highly unusual time for a European match. However, I can assure our fans that we will be doing all we can to make it a good occasion for us and do all we can to get a positive result for our supporters.
"It goes without saying we would have preferred different scheduling, but we have to go with it and look ahead to the game positively.
"But while the circumstances are totally outwith our control, it doesn’t mean we don't understand the difficulties and issues which will face supporters in terms of a change to the normal routine, perhaps in terms of getting time off work and having to work around other things to get to the game.
"It’s obviously very unusual timing for the match, so all the efforts being made to get there are truly appreciated, by myself, the players and everyone at the club. It is, of course, a real shame that a number of fans will not be able to make it, something we totally understand, but we will do all we can to get a result for all our supporters.
"For so many fans to have committed to the match already demonstrates again what a brilliant support we have. So on behalf of everyone at the club, I want to reiterate our thanks for such great support."