time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time)
daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October
Administrative divisions:
29 counties and 5 cities*; Carlow, Cavan, Clare, Cork, Cork*,
Donegal, Dublin*, Dun Laoghaire-Rathdown, Fingal, Galway, Galway*,
Kerry, Kildare, Kilkenny, Laois, Leitrim, Limerick, Limerick*,
Longford, Louth, Mayo, Meath, Monaghan, North Tipperary, Offaly,
Roscommon, Sligo, South Dublin, South Tipperary, Waterford,
Waterford*, Westmeath, Wexford, Wicklow
Independence:
6 December 1921 (from the UK by treaty)
National holiday:
Saint Patrick's Day, 17 March
Constitution:
adopted 1 July 1937 by plebiscite; effective 29 December 1937