New Year's Day Lá Caille
Public holiday; offices, banks and most businesses closed. Construction sites usually reopen in the first week of January.
“Happy New Year” · Athbhliain faoi mhaise duit
祝日・文化カレンダー · 2026–2027
Business slows from about 20 December to the first week of January (construction sites close for the Christmas break) and during July–August; most public holidays fall on Mondays, creating long weekends.
本日から2026年12月31日まで
年末までのすべての祝日・文化行事のバナー――パートナーと共有したり、メールやSNS用にダウンロードできます。
Public holiday; offices, banks and most businesses closed. Construction sites usually reopen in the first week of January.
“Happy New Year” · Athbhliain faoi mhaise duit
Traditional Epiphany day when women enjoy a day off from household work; marks the end of the Christmas season. Normal working day.
Public holiday (first Monday in February, or 1 February if it is a Friday) honouring St Brigid and the start of spring (Imbolc).
“Happy St Brigid's Day” · Lá Fhéile Bríde sona duit
1st day of the 1st lunar month, Year of the Horse 4724
Lunar New Year, Year of the Horse; celebrated by Chinese and other East/Southeast Asian communities with family reunions, parades and red envelopes. Businesses owned by or trading with Asian partners may slow down.
“Happy Lunar New Year – Year of the Horse” · 新年快乐 / 新年快樂
Fourth Sunday of Lent, widely observed in Ireland.
“Happy Mother's Day”
National Day and public holiday honouring Ireland's patron saint, with parades nationwide; offices and banks closed.
“Happy St Patrick's Day” · Lá Fhéile Pádraig sona duit
1 Shawwal 1447 AH · 推定
Festival marking the end of Ramadan, celebrated with prayers, family visits and gifts. Estimated (moon sighting); Muslim staff and partners commonly take the day off.
“Eid Mubarak” · عيد مبارك
Not a public holiday, but many businesses and some banks close or operate reduced hours; schools are closed.
Christian celebration of the Resurrection; part of the Easter long weekend.
“Happy Easter” · Cáisc shona duit
Public holiday; offices and banks closed.
Public holiday on the first Monday of May.
Public holiday on the first Monday of June.
Dublin celebrates James Joyce's Ulysses with readings and Edwardian dress; normal working day.
Public holiday on the first Monday of August; peak summer holiday period.
Public holiday on the last Monday of October (Halloween/mid-term weekend).
Ancient Celtic festival that originated in Ireland, celebrated with costumes and bonfires; normal working day.
Not a public holiday, but most offices close early and the Christmas shutdown begins.
Public holiday; nearly all businesses closed for the Christmas–New Year break.
“Merry Christmas and a Happy New Year” · Nollaig Shona agus Athbhliain faoi Mhaise
Public holiday; most businesses remain closed.
St Stephen's Day 2026 falls on a Saturday; Irish law gives no automatic substitute Monday, but banks and most employers close on Monday 28 December (employees are entitled to a paid day off or equivalent).
Public holiday; offices, banks and most businesses closed. Construction sites usually reopen in the first week of January.
“Happy New Year” · Athbhliain faoi mhaise duit
Traditional Epiphany day when women enjoy a day off from household work; marks the end of the Christmas season. Normal working day.
Public holiday (first Monday in February, or 1 February if it is a Friday) honouring St Brigid and the start of spring (Imbolc).
“Happy St Brigid's Day” · Lá Fhéile Bríde sona duit
1st day of the 1st lunar month, Year of the Goat 4725
Lunar New Year, Year of the Goat; celebrated by Chinese and other East/Southeast Asian communities with family reunions, parades and red envelopes. Businesses trading with Asian partners may slow down.
“Happy Lunar New Year – Year of the Goat” · 新年快乐 / 新年快樂
Fourth Sunday of Lent, widely observed in Ireland.
“Happy Mother's Day”
1 Shawwal 1448 AH · 推定
Festival marking the end of Ramadan, celebrated with prayers, family visits and gifts. Estimated (Umm al-Qura; local communities may celebrate on 10 March depending on moon sighting).
“Eid Mubarak” · عيد مبارك
National Day and public holiday honouring Ireland's patron saint, with parades nationwide; offices and banks closed.
“Happy St Patrick's Day” · Lá Fhéile Pádraig sona duit
Not a public holiday, but many businesses and some banks close or operate reduced hours; schools are closed.
Christian celebration of the Resurrection; part of the Easter long weekend.
“Happy Easter” · Cáisc shona duit
Public holiday; offices and banks closed.
Public holiday on the first Monday of May.
Public holiday on the first Monday of June.
Dublin celebrates James Joyce's Ulysses with readings and Edwardian dress; normal working day.
Public holiday on the first Monday of August; peak summer holiday period.
Public holiday on the last Monday of October (Halloween/mid-term weekend).
Ancient Celtic festival that originated in Ireland, celebrated with costumes and bonfires; normal working day.
Not a public holiday, but most offices close early and the Christmas shutdown begins.
Public holiday; nearly all businesses closed for the Christmas–New Year break.
“Merry Christmas and a Happy New Year” · Nollaig Shona agus Athbhliain faoi Mhaise
Public holiday; most businesses remain closed.
推定日――近づき次第確定
Christmas 2027 falls on a Saturday; no statutory substitute day, but banks and most employers close on Monday 27 December.
推定日――近づき次第確定
St Stephen's Day 2027 falls on a Sunday; no statutory substitute day, but banks and most employers close on Tuesday 28 December.
官公庁、税関、銀行、多くの企業が休みとなる日です。承認サイクル、支払日、本船入港、現場搬入の計画に織り込んでください。
| 日付 | 行事 | 時期 | 暦 | 対象地域 |
|---|---|---|---|---|
| 25 12月 2026金曜日 | Christmas DayLá Nollag | 58日後 | グレゴリオ暦 | National |
| 26 12月 2026土曜日 | St Stephen's DayLá Fhéile Stiofáin | 59日後 | グレゴリオ暦 | National |
| 28 12月 2026月曜日 | St Stephen's Day (day in lieu)Lá saoire in ionad Lá Fhéile Stiofáin | 61日後 | グレゴリオ暦 | National |
| 1 1月 2027金曜日 | New Year's DayLá Caille | 65日後 | グレゴリオ暦 | National |
| 1 2月 2027月曜日 | St Brigid's DayLá Fhéile Bríde | 96日後 | グレゴリオ暦 | National |
| 17 3月 2027水曜日 | St Patrick's DayLá Fhéile Pádraig | 140日後 | グレゴリオ暦 | National |
| 29 3月 2027月曜日 | Easter MondayLuan Cásca | 152日後 | グレゴリオ暦 | National |
| 3 5月 2027月曜日 | May Bank HolidayLá Bealtaine | 187日後 | グレゴリオ暦 | National |
| 7 6月 2027月曜日 | June Bank HolidaySaoire Bainc an Mheithimh | 222日後 | グレゴリオ暦 | National |
| 2 8月 2027月曜日 | August Bank HolidaySaoire Bainc Lúnasa | 278日後 | グレゴリオ暦 | National |
| 25 10月 2027月曜日 | October Bank HolidaySaoire Bainc Dheireadh Fómhair | 362日後 | グレゴリオ暦 | National |
| 25 12月 2027土曜日 | Christmas DayLá Nollag | 423日後 | グレゴリオ暦 | National |
| 26 12月 2027日曜日 | St Stephen's DayLá Fhéile Stiofáin | 424日後 | グレゴリオ暦 | National |
| 27 12月 2027月曜日 | Christmas Day (day in lieu)Lá saoire in ionad Lá Nollag | 425日後 | グレゴリオ暦推定 | National |
| 28 12月 2027火曜日 | St Stephen's Day (day in lieu)Lá saoire in ionad Lá Fhéile Stiofáin | 426日後 | グレゴリオ暦推定 | National |
長期休暇の少なくとも2週間前に製作図を承認申請してください――技術者や当局の不在中は審査が止まります。
祝日前後はクレーン手配、輸送許可、現場への出入りが制限されます。建方順序と搬入時間帯を事前に合意してください。
日付は公表済みの政府公式リストに基づきます。イスラム暦など月の観測による日付や、翌年分で未公示の祝日は「推定」と表示し、1日ずれる場合があります。期限を決める前に必ず現地パートナーにご確認ください。
次のプロジェクト
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