October 2025 calendar
Holidays, religious days, the sky, sports, elections and more, with sources.
October 2025
130 events
| Date | Event | When | |||
|---|---|---|---|---|---|
| Sep 15Mon | National Hispanic Heritage MonthObservances · Heritage months · to Oct 15 | – | annual | Library of Congress and partnersComputed (rule) | 12 mo ago |
| Oct 1Wed | 50th anniversary: In boxing, Muhammad Ali defeated Joe Frazier in a match known as the "Thrilla...History · Anniversaries | – | annual | Wikipedia | 12 mo ago |
| Defender of Ukraine Day (Ukraine)Holidays · Ukraine · Ukraine | Ukraine | annual | Nager.Date | 12 mo ago | |
| National Day (China)Holidays · China · China | China | annual | Nager.Date | 12 mo ago | |
| National Day (Nigeria)Holidays · Nigeria · Nigeria | Nigeria | annual | Nager.Date | 12 mo ago | |
| 225th anniversary: With the signing of the Third Treaty of San Ildefonso, Spain returned the...History · Anniversaries | – | annual | Wikipedia | 12 mo ago | |
| Julie Andrews, born 1935 (90 years)People · Birth anniversaries | – | annual | Wikipedia | 12 mo ago | |
| Ram Nath Kovind, born 1945 (80 years)People · Birth anniversaries | – | annual | Wikipedia | 12 mo ago | |
| International Coffee DayObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| International Day of Older PersonsObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| Oct 2Thu | Dussehra (Vijayadashami)TentativeReligion · Hinduism | – | annual | WikipediaComputed (rule) | 12 mo ago |
| Yom KippurReligion · Judaism | – | annual | HebcalComputed (rule) | 12 mo ago | |
| International Day of Non-ViolenceObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| Oct 3Fri | German Unity Day (Germany)Holidays · Germany · Germany | Germany | annual | Nager.Date | 12 mo ago |
| National Foundation Day (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | 12 mo ago | |
| Oct 4Sat | 100th anniversary: Great Syrian Revolt: Rebels led by Fawzi al-Qawuqji captured the city of Hama...History · Anniversaries | – | annual | Wikipedia | 12 mo ago |
| Oct 5Sun | 25th anniversary: Colour revolutions: During protests over irregularities in the Yugoslavian...History · Anniversaries | – | annual | Wikipedia | 12 mo ago |
| Kate Winslet, born 1975 (50 years)People · Birth anniversaries | – | annual | Wikipedia | 12 mo ago | |
| World Teachers’ DayObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| Oct 6Mon | Full moon: Harvest Moon (supermoon)Sky · Moon phases · 10:48 pm CT | – | monthly | NASAComputed (rule) | 12 mo ago |
| Mid-Autumn FestivalCulture · Lunar calendar festivals | – | annual | Hong Kong ObservatoryComputed (rule) | 12 mo ago | |
| US Supreme Court term opens (October Term 2025)Politics · Government | – | annual | Supreme Court of the United StatesComputed (rule) | 12 mo ago | |
| Armed Forces Day (Egypt)Holidays · Egypt · Egypt | Egypt | annual | Nager.Date | 12 mo ago | |
| Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | 12 mo ago | |
| Mid-Autumn Festival (China)Holidays · China · China | China | annual | Nager.Date | 12 mo ago | |
| 25th anniversary: Denouncing corruption in Argentine president Fernando de la Rúa's...History · Anniversaries | – | annual | Wikipedia | 12 mo ago | |
| World Habitat DayObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| Oct 7Tue | SukkotReligion · Judaism · to Oct 13 | – | annual | HebcalComputed (rule) | 12 mo ago |
| NHL opening night 2025Sports · NHL | – | annual | Wikipedia | 12 mo ago | |
| Coalesce 2025Data and AI · Conferences · to Oct 10 · Las Vegas, NV | Las Vegas, NV; dbt Labs | annual | dbt Labs | 12 mo ago | |
| Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | 12 mo ago | |
| 225th anniversary: The French privateer Robert Surcouf led a 150-man crew to capture the 40-gun,...History · Anniversaries | – | annual | Wikipedia | 12 mo ago | |
| Heinrich Himmler, born 1900 (125 years)People · Birth anniversaries | – | annual | Wikipedia | 12 mo ago | |
| World Cotton DayObservances · UN international days | – | annual | United Nations | 12 mo ago | |
| Oct 8Wed | Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | 12 mo ago |
| Draconids meteor shower peakSky · Meteor showers | – | annual | International Meteor OrganizationComputed (rule) | 12 mo ago | |
| Oct 9Thu | Minnesota Wild 2025 season openerSports · Minnesota teams | – | annual | Wikipedia | 11 mo ago |
| Nobel Prize in Literature 2025 announcedAcademic · Nobel Prizes · Stockholm | Stockholm | annual | Wikipedia | 11 mo ago | |
| Hangul Day (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | 11 mo ago | |
| Jody Williams, born 1950 (75 years)People · Birth anniversaries | – | annual | Wikipedia | 11 mo ago | |
| World Post DayObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Oct 10Fri | Nobel Peace Prize 2025 announcedAcademic · Nobel Prizes · Oslo | Oslo | annual | Wikipedia | 11 mo ago |
| World Mental Health DayObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Mazingira Day (Kenya)Holidays · Kenya · Kenya | Kenya | annual | Nager.Date | 11 mo ago | |
| Karva ChauthTentativeReligion · Hinduism | – | annual | WikipediaComputed (rule) | 11 mo ago | |
| Oct 11Sat | 75th anniversary: A field-sequential color system developed by Hungarian-American engineer Peter...History · Anniversaries | – | annual | Wikipedia | 11 mo ago |
| 75th anniversary: CBS's field-sequential color system for television was the first to be licensed...History · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| International Day of the Girl ChildObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Oct 12Sun | 2025 Chicago MarathonSports · Marathons and athletics · Chicago | Chicago | annual | Wikipedia | 11 mo ago |
| Day of Respect for Cultural Diversity (Argentina)Holidays · Argentina · Argentina | Argentina | annual | Nager.Date | 11 mo ago | |
| National Day of Spain (Spain)Holidays · Spain · Spain | Spain | annual | Nager.Date | 11 mo ago | |
| Our Lady of Aparecida (Brazil)Holidays · Brazil · Brazil | Brazil | annual | Nager.Date | 11 mo ago | |
| Luciano Pavarotti, born 1935 (90 years)People · Birth anniversaries | – | annual | Wikipedia | 11 mo ago | |
| Oct 13Mon | Indigenous Peoples' DayHolidays · United States · Minnesota | Minnesota | annual | Nager.Date | 11 mo ago |
| Margaret Thatcher, born 1925 (100 years)People · Birth anniversaries | – | annual | Wikipedia | 11 mo ago | |
| Oracle CloudWorld 2025Data and AI · Conferences · Las Vegas, NV | Las Vegas, NV; Oracle | annual | Oracle | 11 mo ago | |
| Sports Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | 11 mo ago | |
| Thanksgiving (Canada)Holidays · Canada · Canada | Canada | annual | Nager.Date | 11 mo ago | |
| Last quarter moonSky · Moon phases · 1:13 pm CT | – | monthly | NASAComputed (rule) | 11 mo ago | |
| International Day for Disaster Risk ReductionObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Oct 14Tue | Dreamforce 2025Data and AI · Conferences · to Oct 16 · San Francisco, CA | San Francisco, CA; Salesforce | annual | Salesforce | 11 mo ago |
| Shemini AtzeretReligion · Judaism | – | annual | HebcalComputed (rule) | 11 mo ago | |
| Oct 15Wed | Simchat TorahReligion · Judaism | – | annual | HebcalComputed (rule) | 11 mo ago |
| International Day of Rural WomenObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| ASML earnings (Q3 FY2025)Economy · Earnings | ASML (ASML) | quarterly | Quarterly | 11 mo ago | |
| Oct 16Thu | World Food DayObservances · UN international days | – | annual | United Nations | 11 mo ago |
| 150th anniversary: Brigham Young University was founded in Provo, Utah, United StatesHistory · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| 75th anniversary: The first novel of the The Chronicles of Narnia series by C. S. Lewis, The...History · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| TSMC earnings (Q3 FY2025)Economy · Earnings | TSMC (TSM) | quarterly | Quarterly | 11 mo ago | |
| Oct 17Fri | 25th anniversary: A fatal rail crash at Hatfield, Hertfordshire, led to the introduction of...History · Anniversaries | – | annual | Wikipedia | 11 mo ago |
| International Day for the Eradication of PovertyObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Oct 18Sat | DhanterasTentativeReligion · Hinduism | – | annual | WikipediaComputed (rule) | 11 mo ago |
| 250th anniversary: American Revolutionary War: In an act of retaliation against ports that...History · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| Huell Howser, born 1945 (80 years)People · Birth anniversaries | – | annual | Wikipedia | 11 mo ago | |
| Oct 20Mon | DiwaliTentativeReligion · Hinduism | – | annual | WikipediaComputed (rule) | 11 mo ago |
| Bandi Chhor DivasTentativeReligion · Sikhism | – | annual | WikipediaComputed (rule) | 11 mo ago | |
| Mashujaa Day (Kenya)Holidays · Kenya · Kenya | Kenya | annual | Nager.Date | 11 mo ago | |
| Oct 21Tue | Orionids meteor shower peakSky · Meteor showers | – | annual | International Meteor OrganizationComputed (rule) | 11 mo ago |
| New moonSky · Moon phases · 7:25 am CT | – | monthly | NASAComputed (rule) | 11 mo ago | |
| NBA opening night 2025Sports · NBA | – | annual | Wikipedia | 11 mo ago | |
| Netflix earnings (Q3 FY2025)Economy · Earnings | Netflix (NFLX) | quarterly | Quarterly | 11 mo ago | |
| Oct 22Wed | Birth of the BabReligion · Baha’i | – | annual | Baha’i World CentreComputed (rule) | 11 mo ago |
| Timberwolves 2025 season openerSports · Minnesota teams | – | annual | Wikipedia | 11 mo ago | |
| Tesla earnings (Q3 FY2025)Economy · Earnings | Tesla (TSLA) | quarterly | Quarterly | 11 mo ago | |
| IBM earnings (Q3 FY2025)Economy · Earnings | IBM (IBM) | quarterly | Quarterly | 11 mo ago | |
| SAP earnings (Q3 FY2025)Economy · Earnings | SAP (SAP) | quarterly | Quarterly | 11 mo ago | |
| Oct 23Thu | Birth of Baha’u’llahReligion · Baha’i | – | annual | Baha’i World CentreComputed (rule) | 11 mo ago |
| 175th anniversary: The inaugural National Women's Rights Convention, presided over by American...History · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| International Day of the Snow LeopardObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Intel earnings (Q3 FY2025)Economy · Earnings | Intel (INTC) | quarterly | Quarterly | 11 mo ago | |
| Oct 24Fri | 2025 World SeriesSports · MLB · to Nov 1 | – | annual | Wikipedia | 11 mo ago |
| 50th anniversary: In protest against wage discrepancy and unfair employment practices, 90 percent...History · Anniversaries | – | annual | Wikipedia | 11 mo ago | |
| United Nations DayObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| World Development Information DayObservances · UN international days | – | annual | United Nations | 11 mo ago | |
| Oct 25Sat | 75th anniversary: The People's Volunteer Army ambushed the South Korean II Corps at the Battle of...History · Anniversaries | – | annual | Wikipedia | 11 mo ago |
| Johann Strauss II, born 1825 (200 years)People · Birth anniversaries | – | annual | Wikipedia | 11 mo ago | |
| Oct 26Sun | 25th anniversary: Following protests against military leader Robert Guéï, Laurent Gbagbo...History · Anniversaries | – | annual | Wikipedia | 11 mo ago |
| Summer time ends (EU and UK)Observances · Clock changes · 1:00 am UTC | – | annual | EUR-LexComputed (rule) | 11 mo ago | |
| Oct 27Mon | Chhath PujaTentativeReligion · Hinduism | – | annual | WikipediaComputed (rule) | 11 mo ago |
| 250th anniversary: King George III expanded on his Proclamation of Rebellion in the Thirteen...History · Anniversaries | – | annual | Wikipedia | 11 mo ago |
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.