Celtic League fixtures involving all four provinces have been rescheduled over the festive period.
Two games have been put back from before Christmas until after - Ulster will now play Leinster on Monday, December 26 (kick-off 7.30pm) at Ravenhill, whilst Munster host Connacht on Tuesday, December 27 (kick-off 7.35pm) at Thomond Park.
In the final change, Leinster's home game against Munster reverts to New Year's Eve - Saturday, December 31 (kick-off 5.30pm).
Meanwhile, the venue for Leinster's Celtic League fixture against the Cardiff Blues on Saturday, October 15 has been moved to the 13,500-all seater Royal Dublin Society (RDS) ground. The Dublin 4 venue has also been chosen by Leinster to host their forthcoming Heineken Cup pool stage matches.