Easter Rising: Commemoration ceremony at the GPO
The ceremony begins at 12pm, with guests due to arrive shortly before.
Captain Sean Coffey from the Defence Forces will read out the proclamation on the steps of the GPO, the historical site where much of the 1916 rising took place.
A minutes silence will also be observed after the President lays a wreath.
The ceremony will conclude with an Air Corps fly over shortly after 12.30pm.