With 13 players - Tiger Woods, Phil Mickelson and Sergio Garcia among them - this year turning down the chance to win £1million, the biggest first prize in golf, it will be hoped that the new date brings a better response.
Ernie Els achieved a record-breaking sixth title two weeks ago and as the defending champion is guaranteed a place in the 16-strong field.
The Irish Open is another event to move its place in 2005. Instead of following the Open in July, it is being held at the Colin Montgomerie-designed Carton House near Dublin on May 19-22 - the week before the Volvo PGA.
That slot has been held by the Deutsche Bank-SAP Open, but that trades places with the Irish Open.
A venue has yet to be announced for the British Masters, held for the last two years at the Forest of Arden.