Northern Ireland set for 2012 Olympic Opening Ceremony
The big screens at Belfast's City Hall and at Waterloo Place in Londonderry will be showing all the games' action including the Opening Ceremony.
The Opening Ceremony celebrations at Belfast City Hall begin at 19:30 BST.
Hundreds of bells rang across Northern Ireland on Friday morning at exactly 08:12 BST and crowds gathered in Belfast to watch a fly-over by the Red Arrows.
BBC Newsline's Natasha Sayee was at Belfast City Hall.