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11月木
New Year's Day
Federal holiday; federal offices, banks, the Federal Reserve and most businesses are closed.
“Happy New Year”
祝日・文化カレンダー · 2026–2027
United States：祝日、祭り、文化行事
Business slows between Thanksgiving and New Year (especially 24 Dec–2 Jan) and around the July 4 and Labor Day long weekends; federal holidays falling on a weekend are observed on the nearest weekday.
- 2026年の祝日
- 12
- 2027年の祝日
- 14
- 週末
- Sat–Sun
- 暦
- グレゴリオ暦 · ヘブライ暦 · イスラム暦（ヒジュラ暦） · 旧暦（中国の太陰太陽暦） · ヒンドゥー太陰太陽暦
本日から2026年12月31日まで
the United States向けの挨拶とお知らせ
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。
United States 2026年カレンダー
1月 2026
2月 2026
3月 2026
4月 2026
5月 2026
6月 2026
月火水木金土日11621731841952062172282392410251126122713281429151/51621731841952062172282392410251126122713281429153016
7月 2026
8月 2026
月火水木金土日119220321422523624725826927102811291230131/71421531641751861972082192210231124122513261427152816291730183119
9月 2026
10月 2026
月火水木金土日121222323424525626727828929101/91121231341451561671781891910201121122213231424152516261727182819292030213122
11月 2026
1月 2026
- 191月月
Martin Luther King Jr. Day
Federal holiday (third Monday of January) honouring the civil-rights leader; federal offices, banks and post offices closed, many private firms open.
2月 2026
- 162月月
Washington's Birthday (Presidents' Day)
Federal holiday (third Monday of February); federal offices and banks closed, most private businesses and ports open.
- 172月火
Chinese New Year (Lunar New Year) 春节
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
- 182月水
Ramadan begins رمضان
1 Ramadan 1447 AH · 推定
Start of the Islamic month of fasting (dawn to sunset), ending with Eid al-Fitr. Estimated; the exact start depends on moon sighting and may differ by one day. Muslim colleagues may observe shorter or shifted working patterns.
“Ramadan Mubarak” · رمضان مبارك
3月 2026
- 203月金
Eid al-Fitr عيد الفطر
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
4月 2026
- 24月木
Passover (Pesach) פסח
15–22 Nisan 5786
Jewish festival commemorating the Exodus, beginning at sunset on 1 April with the Seder meal; first and last days are observed as rest days by observant Jews.
“Happy Passover / Chag Pesach Sameach” · חג פסח שמח
- 54月日
Easter Sunday
Christian celebration of the Resurrection; Good Friday (3 April) is not a federal holiday but some offices close early.
“Happy Easter”
5月 2026
- 105月日
Mother's Day
Widely observed day honouring mothers (second Sunday of May).
“Happy Mother's Day”
- 255月月
Memorial Day
Federal holiday (last Monday of May) honouring military personnel who died in service; unofficial start of summer, most businesses closed.
- 275月水
Eid al-Adha عيد الأضحى
10 Dhu al-Hijjah 1447 AH · 推定
Feast of Sacrifice coinciding with the Hajj pilgrimage; Muslim staff and partners commonly take the day off. Estimated (moon sighting).
“Eid al-Adha Mubarak” · عيد أضحى مبارك
6月 2026
- 196月金
Juneteenth National Independence Day
Federal holiday marking the end of slavery in the United States; federal offices and banks closed, many private businesses open.
“Happy Juneteenth”
7月 2026
- 37月金
Independence Day (observed)
4 July 2026 falls on a Saturday, so the federal holiday is observed on Friday 3 July; federal offices and banks closed, long weekend.
- 47月土
Independence Day (America's 250th anniversary)
National Day marking the 1776 Declaration of Independence – the Semiquincentennial (250th) in 2026, with nationwide celebrations and fireworks; most businesses closed.
“Happy 250th Independence Day”
9月 2026
- 79月月
Labor Day
Federal holiday (first Monday of September) honouring workers; most businesses, banks and government offices closed; marks the end of summer.
- 129月土
Rosh Hashanah (Jewish New Year) ראש השנה
1–2 Tishrei 5787
Jewish New Year 5787, beginning at sunset on 11 September and lasting two days; observant Jewish partners will be unavailable.
“Shanah Tovah – Happy New Year” · שנה טובה
- 219月月
Yom Kippur יום כיפור
10 Tishrei 5787
Day of Atonement, the holiest day of the Jewish year, observed with a 25-hour fast from sunset on 20 September; avoid scheduling meetings with Jewish partners.
10月 2026
- 1210月月
Columbus Day / Indigenous Peoples' Day
Federal holiday (second Monday of October); federal offices and banks closed, most private businesses and ports open. Many states and cities observe it as Indigenous Peoples' Day.
11月 2026
- 311月火
Election Day (midterm elections)
Federal midterm elections (Tuesday after the first Monday in November); a public holiday in a few states, otherwise a normal working day.
- 811月日
Diwali (Deepavali) दीवाली
Kartika Amavasya (Ashvin Amavasya, amanta), Vikram Samvat 2083
Hindu, Sikh and Jain Festival of Lights celebrated with lamps, fireworks, sweets and family gatherings; large community celebrations.
“Happy Diwali” · शुभ दीपावली
- 1111月水
Veterans Day
Federal holiday honouring military veterans; federal offices, post offices and banks closed, most private businesses open.
“Thank you to all who served”
- 2611月木
Thanksgiving Day
Federal holiday (fourth Thursday of November); one of the biggest family holidays – nearly all businesses closed, and many take Friday off too.
“Happy Thanksgiving”
- 2711月金
Day after Thanksgiving
Not a federal holiday, but a state holiday in many states and a common day off for offices; expect reduced availability.
12月 2026
- 512月土
Hanukkah חנוכה
25 Kislev – 2 Tevet 5787
Eight-day Jewish Festival of Lights, beginning at sunset on 4 December with the lighting of the first candle; normal business continues.
“Happy Hanukkah” · חנוכה שמח
- 2412月木
Christmas Eve
Not a federal holiday, but many businesses close early or for the day; holiday slowdown until early January.
- 2512月金
Christmas Day
Federal holiday; nearly all businesses closed; business slows considerably between Christmas and New Year.
“Merry Christmas and Happy Holidays”
- 3112月木
New Year's Eve
Not a holiday, but many offices close early.
United States 2027年カレンダー
1月 2027
2月 2027
3月 2027
4月 2027
5月 2027
6月 2027
月火水木金土日12722832943051/56273849510611712813914101511161217131814191520162117221823192420252126222723282429253026
7月 2027
8月 2027
月火水木金土日12921/732435465768798109111012111312141315141615171618171918201921202221232224232524262527262827292830293130
9月 2027
月火水木金土日11/8223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929301/9
10月 2027
11月 2027
1月 2027
- 11月金
New Year's Day
Federal holiday; federal offices, banks and most businesses are closed.
“Happy New Year”
- 181月月
Martin Luther King Jr. Day
Federal holiday (third Monday of January); federal offices, banks and post offices closed, many private firms open.
2月 2027
- 62月土
Chinese New Year (Lunar New Year) 春节
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
- 82月月
Ramadan begins رمضان
1 Ramadan 1448 AH · 推定
Start of the Islamic month of fasting (dawn to sunset), ending with Eid al-Fitr. Estimated; the exact start depends on moon sighting and may differ by one day.
“Ramadan Mubarak” · رمضان مبارك
- 152月月
Washington's Birthday (Presidents' Day)
Federal holiday (third Monday of February); federal offices and banks closed, most private businesses and ports open.
3月 2027
- 93月火
Eid al-Fitr عيد الفطر
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
- 283月日
Easter Sunday
Christian celebration of the Resurrection; Good Friday (26 March) is not a federal holiday.
“Happy Easter”
4月 2027
- 224月木
Passover (Pesach) פסח
15–22 Nisan 5787
Jewish festival commemorating the Exodus, beginning at sunset on 21 April with the Seder meal; first and last days are observed as rest days by observant Jews.
“Happy Passover / Chag Pesach Sameach” · חג פסח שמח
5月 2027
- 95月日
Mother's Day
Widely observed day honouring mothers (second Sunday of May).
“Happy Mother's Day”
- 165月日
Eid al-Adha عيد الأضحى
10 Dhu al-Hijjah 1448 AH · 推定
Feast of Sacrifice coinciding with the Hajj pilgrimage; Muslim staff and partners commonly take the day off. Estimated (moon sighting; may fall on 17 May locally).
“Eid al-Adha Mubarak” · عيد أضحى مبارك
- 315月月
Memorial Day
Federal holiday (last Monday of May) honouring military personnel who died in service; most businesses closed.
6月 2027
- 186月金
Juneteenth (observed)
19 June 2027 falls on a Saturday, so the federal holiday is observed on Friday 18 June; federal offices and banks closed.
“Happy Juneteenth”
7月 2027
- 47月日
Independence Day
National Day marking the 1776 Declaration of Independence, celebrated with fireworks and parades; falls on a Sunday in 2027.
“Happy Independence Day”
- 57月月
Independence Day (observed)
4 July 2027 falls on a Sunday, so the federal holiday is observed on Monday 5 July; most businesses closed.
9月 2027
- 69月月
Labor Day
Federal holiday (first Monday of September); most businesses, banks and government offices closed.
10月 2027
- 210月土
Rosh Hashanah (Jewish New Year) ראש השנה
1–2 Tishrei 5788
Jewish New Year 5788, beginning at sunset on 1 October and lasting two days; observant Jewish partners will be unavailable.
“Shanah Tovah – Happy New Year” · שנה טובה
- 1110月月
Columbus Day / Indigenous Peoples' Day
Federal holiday (second Monday of October); federal offices and banks closed, most private businesses and ports open.
- 1110月月
Yom Kippur יום כיפור
10 Tishrei 5788
Day of Atonement, the holiest day of the Jewish year, observed with a 25-hour fast from sunset on 10 October; avoid scheduling meetings with Jewish partners.
- 2910月金
Diwali (Deepavali) दीवाली
Kartika Amavasya (Ashvin Amavasya, amanta), Vikram Samvat 2084
Hindu, Sikh and Jain Festival of Lights celebrated with lamps, fireworks, sweets and family gatherings; large community celebrations.
“Happy Diwali” · शुभ दीपावली
11月 2027
- 1111月木
Veterans Day
Federal holiday honouring military veterans; federal offices and banks closed, most private businesses open.
“Thank you to all who served”
- 2511月木
Thanksgiving Day
Federal holiday (fourth Thursday of November); nearly all businesses closed, many also off on Friday.
“Happy Thanksgiving”
- 2611月金
Day after Thanksgiving
Not a federal holiday, but a state holiday in many states and a common day off for offices.
12月 2027
- 2412月金
Christmas Day (observed)
25 December 2027 falls on a Saturday, so the federal holiday is observed on Friday 24 December.
- 2512月土
Christmas Day
Christmas falls on a Saturday in 2027; nearly all businesses closed over the holiday period.
“Merry Christmas and Happy Holidays”
- 2512月土
Hanukkah חנוכה
25 Kislev – 2 Tevet 5788
Eight-day Jewish Festival of Lights, beginning at sunset on 24 December (coinciding with Christmas in 2027); runs to 1 January 2028.
“Happy Hanukkah” · חנוכה שמח
- 3112月金
New Year's Day 2028 (observed)
1 January 2028 falls on a Saturday, so the federal holiday is observed on Friday 31 December 2027; federal offices and banks closed.
the United Statesの今後の休業日
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 |
|---|---|---|---|---|
| 26 11月 2026木曜日 | Thanksgiving Day | 29日後 | グレゴリオ暦 | National (federal) |
| 25 12月 2026金曜日 | Christmas Day | 58日後 | グレゴリオ暦 | National (federal) |
| 1 1月 2027金曜日 | New Year's Day | 65日後 | グレゴリオ暦 | National (federal) |
| 31 5月 2027月曜日 | Memorial Day | 215日後 | グレゴリオ暦 | National (federal) |
| 4 7月 2027日曜日 | Independence Day | 249日後 | グレゴリオ暦 | National (federal) |
| 5 7月 2027月曜日 | Independence Day (observed) | 250日後 | グレゴリオ暦 | National (federal) |
| 6 9月 2027月曜日 | Labor Day | 313日後 | グレゴリオ暦 | National (federal) |
| 25 11月 2027木曜日 | Thanksgiving Day | 393日後 | グレゴリオ暦 | National (federal) |
| 24 12月 2027金曜日 | Christmas Day (observed) | 422日後 | グレゴリオ暦 | National (federal) |
| 25 12月 2027土曜日 | Christmas Day | 423日後 | グレゴリオ暦 | National (federal) |
| 31 12月 2027金曜日 | New Year's Day 2028 (observed) | 429日後 | グレゴリオ暦 | National (federal) |
承認・RFQ
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。
現場搬入
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。
出典・注記
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。
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