Two of West Ham United's Barclays Premier League December fixtures have been moved to new dates or kick-off times.
The home meeting with Swansea City, originally scheduled for Saturday 6 December, will now be played on Sunday 7 December, with kick-off at 1.30pm.
Meanwhile, the away London derby at Chelsea on Boxing Day was originally due to be played with a 3pm kick-off, but will now kick-off at 12.45pm.