Thousands of shoppers hitting the sales today
Many people received gift vouchers for Christmas and will be keen to spend them while prices are reduced.
The Whitewater Shopping Centre opens at 11am while while Kildare Village's opening hours are 9am to 8pm.
Some retail and online businesses began offering discounted goods earlier this month.
Many department stores and smaller shops began advertising cut-priced goods at midnight from their own online shopping sites.
Retailers expect the weather to have a big impact on the level of goods sold in the coming week