Pompey's League One home match against Bolton has been selected by Sky Sports for live television coverage.
The Fratton fixture will now take place on Monday, December 11 and kick-off at 8pm.
John Mousinho's side are currently sitting top of the League One table after 15 games, while Wanderers are six points behind in third spot.
Tickets and hospitality packages that have already been purchased remain valid for the new date. Tickets will be issued no later than one week prior to the game.
If you have booked hospitality for the game, then our sales team will be in touch with new timings.