At the National Library of Ireland: All Reading Rooms will be closed from Thursday 24 December to Sunday 3 January 2016 inclusive. Exhibitions will be closed 24–28 December; open 10am to 4.45pm 29–31 December; closed 1–3 Jan 2016. All dates inclusive. Normal hours hours will resume on Monday 4 January 2016.
The Reading Room of the National Archives of Ireland will close at 12.30pm on Thursday 24 December and will re-open at 9.15am on Tuesday 29 December. It will be closed on Friday 1 January, re-opening at 9:15am on Monday 4 January 2016.
The Public Record Office of Northern Ireland, Belfast, will be closed from Thursday 24 December to Monday 28 December inclusive and on Friday 1 January. Re-opens Monday 4 January 2016.
The Representative Church Body Library will close on Wednesday 23 December and re-open on Monday 4 January 2016.
Dublin City Library & Archive will be closed from Thursday 24 December to Saturday 2 January, inclusive. Re-opens Monday 4 January. (All City libraries will be closed on the same dates.)
Cork City and County Archives will be closed from 5pm on Wednesday 23 December until 9am on Monday 4 January 2016.
Outside Dublin City, most local libraries and archives in Ireland will close at 4pm on Wednesday 23 December. Re-opening dates and times have been decided locally, so check with the library before travelling.
All public libraries in Northern Ireland will be closed from Thursday 24 December to Monday 28 December inclusive, and on Friday 1 January 2016.
Linen Hall Library, Donegall Square North, Belfast, will close at 2pm on Thursday 24 December, re-opening at 9.30am on Monday 4 January 2016.
General Register Office, Dublin: The GRO Research Room in Werburgh Street will be closed from 12:30pm on Christmas Eve, Thursday 24 December, until 9am on Monday 28 December. Normal working hours on 29 and 30 December. On Thursday 31 December, the office will be open 10:30am to Noon and from 2pm to 4:30pm. Closed Friday 1 January. Reopening with normal hours Monday 4 January 2016.
General Register Office of Northern Ireland (GRONI), Belfast: GRONI's Search Room will be closed on Thursday 24 December to Monday 28 December inclusive. Normal hours 29-31 December. Closed Friday 1 January 2016. Re-opening at 9:30am on Monday 4 January 2016.