Andoni Iraola will take his side to Emirates Stadium to face the title-chasing Gunners on Saturday, May 4.
The game was originally due to kick-off at 3pm, but will now get underway at 12.30pm.
The match in north London is due to be shown live on TNT Sports.
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For Cherries, the game falls between home games against Brighton & Hove Albion (April 28) and Brentford (May 11).
Arsenal could potentially be in Champions League semi-final action either side of facing Cherries.
A statement read: “The Premier League would like to apologise to supporters for the inconvenience caused by the delay in announcing these fixtures.
“This was caused by significant disruption to London-based fixtures as a result of the planned TFL strikes on Saturday 4 May, which were cancelled on Thursday.
“There have also been additional scheduling complications through the possibility of clubs’ participation in the UEFA Champions League semi-finals, which will take place either side of this match round.”
