September 2022 calendar
September 2022
PastNovember 2022
PastOctober 2022
National Hispanic Heritage MonthNational Hispanic Heritage Month, observed across the US.Library of Congress and partners, computedDetails →Vassa (Buddhist Rains Retreat)The three-month rains retreat of Theravada monks, from Khao Phansa, the day after Asalha Puja, to Ok Phansa.Bank of Thailand holiday calendarDetails →Days of Awe (Ten Days of Repentance)The ten days from Rosh Hashanah to Yom Kippur. Begins at sundown on Sun, September 25, 2022.Hebcal, computedDetails →Sharad NavaratriNine nights of the goddess Durga; Durga Puja in Bengal. Ashvin, Shukla 1. Regional dates can differ by a day.Wikipedia, computedDetails →Nine Emperor Gods FestivalNine days of Taoist rites and vegetarian fasting in Malaysia, Singapore and Thailand (the Phuket Vegetarian Festival). Day 1 of lunar month 9.Hong Kong Observatory, computedDetails →Pacific Northwest Software Symposium 2022Seattle, WA · IndependentA three-day tech conference in Seattle, WA.IndependentDetails →
PastSeptember 2022
National Day for Truth and Reconciliation (Canada)CanadaA public holiday in Canada.Nager.DateDetails →International Translation DayA United Nations international day.United NationsDetails →DevOpsDays Buffalo 2022Buffalo, NY · IndependentA two-day tech conference in Buffalo, NY.IndependentDetails →DevopsDays London 2022London, United Kingdom · IndependentA two-day tech conference in London, United Kingdom.IndependentDetails →Immerse Global Summit 2022Funchal, Portugal · IndependentA three-day tech conference in Funchal, Portugal.IndependentDetails →NDC Minnesota 2022Minneapolis, MN · IndependentA four-day tech conference in Minneapolis, MN.IndependentDetails →Michaelmas (Saints Michael, Gabriel and Raphael)The feast of the archangels; in England one of the old quarter days.USCCB liturgical year, computedDetails →International Day of Awareness of Food Loss and WasteA United Nations international day.United NationsDetails →
Micron earnings (Q4 FY2022)Micron (MU)Micron reported Q4 FY2022 results after the market closed.EarningsDetails →Conf42 Incident Management 2022Online · IndependentA tech conference, held online.IndependentDetails →Web Data Extraction Summit 2022London, United Kingdom · IndependentA tech conference in London, United Kingdom.IndependentDetails →DevOpsCon New York 2022New York, NY · IndependentA four-day tech conference in New York, NY.IndependentDetails →NDC Oslo 2022Oslo, Norway · IndependentA five-day tech conference in Oslo, Norway.IndependentDetails →50th anniversary: Against the backdrop of the Cold War, the Canadian ice hockey team defeated the...In 1972, Against the backdrop of the Cold War, the Canadian ice hockey team defeated the Soviet team in the Summit Series.WikipediaDetails →St. Wenceslas Day (Czechia)CzechiaA public holiday in Czechia, known locally as Den české státnosti.Nager.DateDetails →Confucius’s Birthday (Teachers’ Day, Taiwan)The Grand Ceremony at Taipei’s Confucius Temple and at Qufu, the birthplace of Confucius.Wikipedia, computedDetails →Fast of GedaliahA minor fast day after Rosh Hashanah. Observed from dawn to nightfall.Hebcal, computedDetails →Sheikh Hasina, born 1947 (75 years)Bangladeshi politician, 10th Prime Minister of Bangladesh.WikipediaDetails →International Day for Universal Access to InformationA United Nations international day.United NationsDetails →Meskel (Finding of the True Cross)Bonfires (Demera) for the finding of the Cross by Empress Helena; UNESCO intangible heritage. The Coptic Feast of the Cross falls on the same day.Ethiopian Orthodox Tewahedo Church, computedDetails →600th anniversary: The Treaty of Melno was signed, establishing the Prussian–Lithuanian borderIn 1422, The Treaty of Melno was signed, establishing the Prussian–Lithuanian border, which afterwards remained unchanged for about 500 years.WikipediaDetails →Meskel (Orthodox) (Ethiopia)EthiopiaA public holiday in Ethiopia.Nager.DateDetails →Elevation of the Holy Cross (Julian calendar)One of the Twelve Great Feasts, a strict fast day. September 14 in the Julian calendar.Orthodox Church in America, computedDetails →200th anniversary: In a letter to the Académie des Inscriptions et Belles-Lettres in Paris,...In 1822, In a letter to the Académie des Inscriptions et Belles-Lettres in Paris, Jean-François Champollion announced his initial successes in deciphering...WikipediaDetails →World Tourism DayA United Nations international day.United NationsDetails →
Progress Software earnings (Q3 FY2022)Progress Software (PRGS)Progress Software reported Q3 FY2022 results after the market closed.EarningsDetails →Rosh HashanahThe Jewish New Year. Begins at sundown on Sun, September 25, 2022.Hebcal, computedDetails →DevopsDays Portugal 2022Porto, Portugal · IndependentA two-day tech conference in Porto, Portugal.IndependentDetails →Jupiter at oppositionJupiter is opposite the Sun: up all night and at its brightest for the year.Astronomy Engine, computedDetails →Queen Elizabeth II Memorial Day (New Zealand)New ZealandA public holiday in New Zealand.Nager.DateDetails →International Day for the Total Elimination of Nuclear WeaponsA United Nations international day.United NationsDetails →Autumn HiganThe week of the equinox, when Japanese Buddhists visit and tidy family graves.Wikipedia, computedDetails →New moonThe Moon is between Earth and the Sun; darkest nights for stargazing.NASA, computedDetails →India CERT-In Cyber Security Directions: Extended date for MSMEs and subscriber validationIndiaThe Directions apply to micro, small and medium enterprises, and subscriber validation duties apply to data centres, VPS, cloud and VPN providers, from this...RegulationsDetails →New England Software Symposium 2022Boston, MA · IndependentA three-day tech conference in Boston, MA.IndependentDetails →Heritage Day (South Africa)South AfricaA public holiday in South Africa.Nager.DateDetails →National Hunting and Fishing DayCelebrates hunters and anglers and their role in conservation; the fourth Saturday in September.National Hunting and Fishing Day, computedDetails →National Public Lands DayA fee-free day at national parks and other federal lands; the fourth Saturday in September.National Park Service, computedDetails →World Maritime DayA United Nations international day.United NationsDetails →Init 2022Banja Luka, Bosnia and Herzegovina · IndependentA tech conference in Banja Luka, Bosnia and Herzegovina.IndependentDetails →Digital Labin Conference - The new perspectives 2022Labin, Croatia · IndependentA two-day tech conference in Labin, Croatia.IndependentDetails →Agile India 2022Online · IndependentA three-day tech conference, held online.IndependentDetails →Strange Loop 2022St. Louis, MO · IndependentA three-day tech conference in St. Louis, MO.IndependentDetails →900th anniversary: Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms...In 1122, Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms (pictured), ending the Investiture Controversy.WikipediaDetails →Autumnal Equinox Day (Japan)JapanA public holiday in Japan.Nager.DateDetails →25th anniversary: Irish rock band U2 performed in Sarajevo (pictured), the first major artist to...In 1997, Irish rock band U2 performed in Sarajevo (pictured), the first major artist to hold a concert in the city since the end of the Bosnian War.WikipediaDetails →International Day of Sign LanguagesA United Nations international day.United NationsDetails →PGConf NYC 2022New York, NY · IndependentA two-day tech conference in New York, NY.IndependentDetails →Enterprise DevOps Summit 2022Berlin, Germany · IndependentA three-day tech conference in Berlin, Germany.IndependentDetails →Rethink! IT 2022Berlin, Germany · IndependentA three-day tech conference in Berlin, Germany.IndependentDetails →Grace Hopper Celebration 2022Orlando, FL · IndependentA four-day tech conference in Orlando, FL.IndependentDetails →JCON-ONLINE 2022Online · IndependentA four-day tech conference, held online.IndependentDetails →September equinoxAutumn begins in the Northern Hemisphere, spring in the Southern.US Naval Observatory, computedDetails →MabonAutumn equinox sabbat. Northern Hemisphere dates.Wheel of the Year, computedDetails →100th anniversary: After nine days, the great fire of Smyrna was extinguished (aftermath...In 1922, After nine days, the great fire of Smyrna was extinguished (aftermath pictured), having caused at least ten thousand deaths.WikipediaDetails →National Day of Mourning (Australia)AustraliaA public holiday in Australia.Nager.DateDetails →Confucius’s Birthday (traditional lunar date)The traditional birthday of Confucius, kept by the Confucian Academy in Hong Kong and in Confucian temples. Day 27 of lunar month 8.Hong Kong Observatory, computedDetails →Devopsdays Cairo 2022Cairo, Egypt · IndependentA tech conference in Cairo, Egypt.IndependentDetails →Quebec Law 25: Phase 1: privacy officer and incident reportingQuebec, CanadaPerson in charge of personal information protection, confidentiality incident notification and register apply.RegulationsDetails →Swiss Python Summit 2022Rapperswil-Jona, Switzerland · IndependentA tech conference in Rapperswil-Jona, Switzerland.IndependentDetails →DevopsDays Berlin 2022Berlin, Germany · IndependentA two-day tech conference in Berlin, Germany.IndependentDetails →NVIDIA GTC 2022Online · NVIDIAA four-day tech conference, held online.NVIDIADetails →International Day of PeaceA United Nations international day.United NationsDetails →Founders Day (Ghana)GhanaA public holiday in Ghana.Nager.DateDetails →Nativity of the Theotokos (Julian calendar)The birth of Mary, one of the Twelve Great Feasts. September 8 in the Julian calendar.Orthodox Church in America, computedDetails →125th anniversary: In response to a letter written by eight-year-old Virginia O'Hanlon, The New...In 1897, In response to a letter written by eight-year-old Virginia O'Hanlon, The New York Sun published an editorial by Francis Pharcellus Church stating,...WikipediaDetails →Stephen King, born 1947 (75 years)American author and screenwriter.WikipediaDetails →FOMC meetingFederal Reserve, WashingtonThe Federal Open Market Committee sets US interest rates; the statement comes at 2:00 pm ET on the last day, with the Summary of Economic Projections.Federal ReserveDetails →data2day 2022Karlsruhe, Germany · IndependentA two-day tech conference in Karlsruhe, Germany.IndependentDetails →LeanIX Connect Summit Europe 2022Berlin, Germany · IndependentA two-day tech conference in Berlin, Germany.IndependentDetails →325th anniversary: The first of a series of treaties comprising the Peace of Ryswick was signed...In 1697, The first of a series of treaties comprising the Peace of Ryswick was signed between France and the Grand Alliance, ending the Nine Years' War.WikipediaDetails →25th anniversary: Hurricane Erika, the strongest and longest-lasting hurricane of the 1997...In 1997, Hurricane Erika, the strongest and longest-lasting hurricane of the 1997 Atlantic hurricane season, dissipated after causing flooding and power...WikipediaDetails →World Cleanup DayA United Nations international day.United NationsDetails →Infobip Shift 2022Zadar, Croatia · IndependentA two-day tech conference in Zadar, Croatia.IndependentDetails →Big Data Minds 2022Berlin, Germany · IndependentA three-day tech conference in Berlin, Germany.IndependentDetails →Enterprise AI Summit 2022Berlin, Germany · IndependentA three-day tech conference in Berlin, Germany.IndependentDetails →Rethink! IT Security Herbst 2022Hamburg, Germany · IndependentA three-day tech conference in Hamburg, Germany.IndependentDetails →Army Day (Chile)ChileA public holiday in Chile, known locally as Día de las Glorias del Ejército.Nager.DateDetails →Queen’s State Funeral (United Kingdom)United KingdomA public holiday in the United Kingdom.Nager.DateDetails →Respect for the Aged Day (Japan)JapanA public holiday in Japan.Nager.DateDetails →State Funeral of Queen Elizabeth II (Canada)CanadaA public holiday in Canada.Nager.DateDetails →National holiday (Chile)ChileA public holiday in Chile, known locally as Fiestas Patrias.Nager.DateDetails →International Equal Pay DayA United Nations international day.United NationsDetails →Leil SelichotThe first night of Ashkenazi penitential prayers (Selichot) before Rosh Hashanah, late on Saturday night.Hebcal, computedDetails →Last quarter moonThe Moon is half lit (waning).NASA, computedDetails →World Patient Safety DayA United Nations international day.United NationsDetails →ArbaeenForty days after Ashura: one of the largest annual pilgrimages in the world, on foot to Karbala. 2/20/1444 AH in the Umm al-Qura calendar. Begins the...Umm al-Qura calendar, computedDetails →Independence Day (Mexico)MexicoA public holiday in Mexico, known locally as Día de la Independencia.Nager.DateDetails →Neptune at oppositionNeptune is opposite the Sun: up all night and at its brightest for the year.Astronomy Engine, computedDetails →International Day for Interventional CardiologyA United Nations international day.United NationsDetails →International Day for the Preservation of the Ozone LayerA United Nations international day.United NationsDetails →International Day of Science, Technology and Innovation for the SouthA United Nations international day.United NationsDetails →Devopsdays Washington 2022Washington, Washington DC, DC · IndependentA two-day tech conference in Washington, Washington DC, DC.IndependentDetails →
| Date | Event | |||
|---|---|---|---|---|
| PastNovember 2022 | ||||
| Jun 6Mon3 years ago | Ordinary Time (after Pentecost)The long second stretch of Ordinary Time, from the day after Pentecost to the Saturday before Advent.Religion · Catholic · to Nov 26 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| PastOctober 2022 | ||||
| Sep 15Thu4 years ago | National Hispanic Heritage MonthNational Hispanic Heritage Month, observed across the US.Observances · Heritage months · to Oct 15 · Library of Congress and partners | – | annual | Library of Congress and partnersComputed (rule) |
| Jul 14Thu4 years ago | Vassa (Buddhist Rains Retreat)The three-month rains retreat of Theravada monks, from Khao Phansa, the day after Asalha Puja, to Ok Phansa.Religion · Buddhism · to Oct 9 · Bank of Thailand holiday calendar | – | annual | Bank of Thailand holiday calendar |
| Sep 26Mon4 years ago | Days of Awe (Ten Days of Repentance)The ten days from Rosh Hashanah to Yom Kippur. Begins at sundown on Sun, September 25, 2022.Religion · Judaism · to Oct 5 · Hebcal | – | annual | HebcalComputed (rule) |
| Sharad NavaratriTentativeNine nights of the goddess Durga; Durga Puja in Bengal. Ashvin, Shukla 1. Regional dates can differ by a day.Religion · Hinduism · to Oct 4 · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Nine Emperor Gods FestivalNine days of Taoist rites and vegetarian fasting in Malaysia, Singapore and Thailand (the Phuket Vegetarian Festival). Day 1 of lunar month 9.Religion · Taoism and Chinese folk religion · to Oct 4 · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) | |
| Sep 30Fri4 years ago | Pacific Northwest Software Symposium 2022A three-day tech conference in Seattle, WA.Tech · Conferences · to Oct 2 · Seattle, WA · Independent | Seattle, WA; Independent | annual | Independent |
| PastSeptember 2022 | ||||
| Sep 30Fri4 years ago | National Day for Truth and Reconciliation (Canada)A public holiday in Canada.Holidays · Canada · Canada · Nager.Date | Canada | annual | Nager.Date |
| International Translation DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 29Thu4 years ago | DevOpsDays Buffalo 2022A two-day tech conference in Buffalo, NY.Tech · Conferences · to Sep 30 · Buffalo, NY · Independent | Buffalo, NY; Independent | annual | Independent |
| DevopsDays London 2022A two-day tech conference in London, United Kingdom.Tech · Conferences · to Sep 30 · London, United Kingdom · Independent | London, United Kingdom; Independent | annual | Independent | |
| Sep 28Wed4 years ago | Immerse Global Summit 2022A three-day tech conference in Funchal, Portugal.Tech · Conferences · to Sep 30 · Funchal, Portugal · Independent | Funchal, Portugal; Independent | annual | Independent |
| Sep 27Tue4 years ago | NDC Minnesota 2022A four-day tech conference in Minneapolis, MN.Tech · Conferences · to Sep 30 · Minneapolis, MN · Independent | Minneapolis, MN; Independent | annual | Independent |
| Sep 29Thu4 years ago | Michaelmas (Saints Michael, Gabriel and Raphael)The feast of the archangels; in England one of the old quarter days.Religion · Christianity · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| International Day of Awareness of Food Loss and WasteA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Micron earnings (Q4 FY2022)Micron reported Q4 FY2022 results after the market closed.Economy · Earnings · Micron (MU) · Earnings | Micron (MU) | quarterly | Earnings | |
| Conf42 Incident Management 2022A tech conference, held online.Tech · Conferences · Online · Independent | Online; Independent | annual | Independent | |
| Web Data Extraction Summit 2022A tech conference in London, United Kingdom.Tech · Conferences · London, United Kingdom · Independent | London, United Kingdom; Independent | annual | Independent | |
| Sep 26Mon4 years ago | DevOpsCon New York 2022A four-day tech conference in New York, NY.Tech · Conferences · to Sep 29 · New York, NY · Independent | New York, NY; Independent | annual | Independent |
| Sep 25Sun4 years ago | NDC Oslo 2022A five-day tech conference in Oslo, Norway.Tech · Conferences · to Sep 29 · Oslo, Norway · Independent | Oslo, Norway; Independent | annual | Independent |
| Sep 28Wed4 years ago | 50th anniversary: Against the backdrop of the Cold War, the Canadian ice hockey team defeated the...In 1972, Against the backdrop of the Cold War, the Canadian ice hockey team defeated the Soviet team in the Summit Series.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| St. Wenceslas Day (Czechia)A public holiday in Czechia, known locally as Den české státnosti.Holidays · Czechia · Czechia · Nager.Date | Czechia | annual | Nager.Date | |
| Confucius’s Birthday (Teachers’ Day, Taiwan)The Grand Ceremony at Taipei’s Confucius Temple and at Qufu, the birthplace of Confucius.Religion · Confucianism · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Fast of GedaliahA minor fast day after Rosh Hashanah. Observed from dawn to nightfall.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) | |
| Sheikh Hasina, born 1947 (75 years)Bangladeshi politician, 10th Prime Minister of Bangladesh.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Day for Universal Access to InformationA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 27Tue4 years ago | Meskel (Finding of the True Cross)Bonfires (Demera) for the finding of the Cross by Empress Helena; UNESCO intangible heritage. The Coptic Feast of the Cross falls on the same day.Religion · Oriental Orthodox (Coptic, Ethiopian, Armenian) · Ethiopian Orthodox Tewahedo Church | – | annual | Ethiopian Orthodox Tewahedo ChurchComputed (rule) |
| 600th anniversary: The Treaty of Melno was signed, establishing the Prussian–Lithuanian borderIn 1422, The Treaty of Melno was signed, establishing the Prussian–Lithuanian border, which afterwards remained unchanged for about 500 years.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Meskel (Orthodox) (Ethiopia)A public holiday in Ethiopia.Holidays · Ethiopia · Ethiopia · Nager.Date | Ethiopia | annual | Nager.Date | |
| Elevation of the Holy Cross (Julian calendar)One of the Twelve Great Feasts, a strict fast day. September 14 in the Julian calendar.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 200th anniversary: In a letter to the Académie des Inscriptions et Belles-Lettres in Paris,...In 1822, In a letter to the Académie des Inscriptions et Belles-Lettres in Paris, Jean-François Champollion announced his initial successes in deciphering...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| World Tourism DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Progress Software earnings (Q3 FY2022)Progress Software reported Q3 FY2022 results after the market closed.Economy · Earnings · Progress Software (PRGS) · Earnings | Progress Software (PRGS) | quarterly | Earnings | |
| Sep 26Mon4 years ago | Rosh HashanahThe Jewish New Year. Begins at sundown on Sun, September 25, 2022.Religion · Judaism · to Sep 27 · Hebcal | – | annual | HebcalComputed (rule) |
| DevopsDays Portugal 2022A two-day tech conference in Porto, Portugal.Tech · Conferences · to Sep 27 · Porto, Portugal · Independent | Porto, Portugal; Independent | annual | Independent | |
| Jupiter at oppositionJupiter is opposite the Sun: up all night and at its brightest for the year.Sky · Planets · Astronomy Engine | – | about yearly | Astronomy EngineComputed (rule) | |
| Queen Elizabeth II Memorial Day (New Zealand)A public holiday in New Zealand.Holidays · New Zealand · New Zealand · Nager.Date | New Zealand | annual | Nager.Date | |
| International Day for the Total Elimination of Nuclear WeaponsA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 20Tue4 years ago | Autumn HiganThe week of the equinox, when Japanese Buddhists visit and tidy family graves.Religion · Buddhism · to Sep 26 · Wikipedia | – | annual | WikipediaComputed (rule) |
| Sep 25Sun4 years ago | New moonThe Moon is between Earth and the Sun; darkest nights for stargazing.Sky · Moon phases · 4:55 pm CT · NASA | – | monthly | NASAComputed (rule) |
| India CERT-In Cyber Security Directions: Extended date for MSMEs and subscriber validationThe Directions apply to micro, small and medium enterprises, and subscriber validation duties apply to data centres, VPS, cloud and VPN providers, from this...Tech · Compliance deadlines · India · Regulations | India | one-off | Regulations | |
| Sep 23Fri4 years ago | New England Software Symposium 2022A three-day tech conference in Boston, MA.Tech · Conferences · to Sep 25 · Boston, MA · Independent | Boston, MA; Independent | annual | Independent |
| Sep 24Sat4 years ago | Heritage Day (South Africa)A public holiday in South Africa.Holidays · South Africa · South Africa · Nager.Date | South Africa | annual | Nager.Date |
| National Hunting and Fishing DayCelebrates hunters and anglers and their role in conservation; the fourth Saturday in September.Outdoors · Parks and public lands · National Hunting and Fishing Day | – | annual | National Hunting and Fishing DayComputed (rule) | |
| National Public Lands DayA fee-free day at national parks and other federal lands; the fourth Saturday in September.Outdoors · Parks and public lands · National Park Service | – | annual | National Park ServiceComputed (rule) | |
| World Maritime DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Init 2022A tech conference in Banja Luka, Bosnia and Herzegovina.Tech · Conferences · Banja Luka, Bosnia and Herzegovina · Independent | Banja Luka, Bosnia and Herzegovina; Independent | annual | Independent | |
| Sep 23Fri4 years ago | Digital Labin Conference - The new perspectives 2022A two-day tech conference in Labin, Croatia.Tech · Conferences · to Sep 24 · Labin, Croatia · Independent | Labin, Croatia; Independent | annual | Independent |
| Sep 22Thu4 years ago | Agile India 2022A three-day tech conference, held online.Tech · Conferences · to Sep 24 · Online · Independent | Online; Independent | annual | Independent |
| Strange Loop 2022A three-day tech conference in St. Louis, MO.Tech · Conferences · to Sep 24 · St. Louis, MO · Independent | St. Louis, MO; Independent | annual | Independent | |
| Sep 23Fri4 years ago | 900th anniversary: Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms...In 1122, Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms (pictured), ending the Investiture Controversy.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| Autumnal Equinox Day (Japan)A public holiday in Japan.Holidays · Japan · Japan · Nager.Date | Japan | annual | Nager.Date | |
| 25th anniversary: Irish rock band U2 performed in Sarajevo (pictured), the first major artist to...In 1997, Irish rock band U2 performed in Sarajevo (pictured), the first major artist to hold a concert in the city since the end of the Bosnian War.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Day of Sign LanguagesA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 22Thu4 years ago | PGConf NYC 2022A two-day tech conference in New York, NY.Tech · Conferences · to Sep 23 · New York, NY · Independent | New York, NY; Independent | annual | Independent |
| Sep 21Wed4 years ago | Enterprise DevOps Summit 2022A three-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 23 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent |
| Rethink! IT 2022A three-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 23 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent | |
| Sep 20Tue4 years ago | Grace Hopper Celebration 2022A four-day tech conference in Orlando, FL.Tech · Conferences · to Sep 23 · Orlando, FL · Independent | Orlando, FL; Independent | annual | Independent |
| JCON-ONLINE 2022A four-day tech conference, held online.Tech · Conferences · to Sep 23 · Online · Independent | Online; Independent | annual | Independent | |
| Sep 22Thu4 years ago | September equinoxAutumn begins in the Northern Hemisphere, spring in the Southern.Sky · Solstices and equinoxes · 8:04 pm CT · US Naval Observatory | – | annual | US Naval ObservatoryComputed (rule) |
| MabonAutumn equinox sabbat. Northern Hemisphere dates.Religion · Pagan and Wiccan · Wheel of the Year | – | annual | Wheel of the YearComputed (rule) | |
| 100th anniversary: After nine days, the great fire of Smyrna was extinguished (aftermath...In 1922, After nine days, the great fire of Smyrna was extinguished (aftermath pictured), having caused at least ten thousand deaths.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| National Day of Mourning (Australia)A public holiday in Australia.Holidays · Australia · Australia · Nager.Date | Australia | annual | Nager.Date | |
| Confucius’s Birthday (traditional lunar date)The traditional birthday of Confucius, kept by the Confucian Academy in Hong Kong and in Confucian temples. Day 27 of lunar month 8.Religion · Confucianism · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) | |
| Devopsdays Cairo 2022A tech conference in Cairo, Egypt.Tech · Conferences · Cairo, Egypt · Independent | Cairo, Egypt; Independent | annual | Independent | |
| Quebec Law 25: Phase 1: privacy officer and incident reportingPerson in charge of personal information protection, confidentiality incident notification and register apply.Tech · Compliance deadlines · Quebec, Canada · Regulations | Quebec, Canada | one-off | Regulations | |
| Swiss Python Summit 2022A tech conference in Rapperswil-Jona, Switzerland.Tech · Conferences · Rapperswil-Jona, Switzerland · Independent | Rapperswil-Jona, Switzerland; Independent | annual | Independent | |
| Sep 21Wed4 years ago | DevopsDays Berlin 2022A two-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 22 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent |
| Sep 19Mon4 years ago | NVIDIA GTC 2022A four-day tech conference, held online.Tech · Conferences · to Sep 22 · Online · NVIDIA | Online; NVIDIA | annual | NVIDIA |
| Sep 21Wed4 years ago | International Day of PeaceA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations |
| Founders Day (Ghana)A public holiday in Ghana.Holidays · Ghana · Ghana · Nager.Date | Ghana | annual | Nager.Date | |
| Nativity of the Theotokos (Julian calendar)The birth of Mary, one of the Twelve Great Feasts. September 8 in the Julian calendar.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 125th anniversary: In response to a letter written by eight-year-old Virginia O'Hanlon, The New...In 1897, In response to a letter written by eight-year-old Virginia O'Hanlon, The New York Sun published an editorial by Francis Pharcellus Church stating,...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Stephen King, born 1947 (75 years)American author and screenwriter.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| Sep 20Tue4 years ago | FOMC meetingThe Federal Open Market Committee sets US interest rates; the statement comes at 2:00 pm ET on the last day, with the Summary of Economic Projections.Economy · Federal Reserve · 1:00 pm ET · to Sep 21 · Federal Reserve, Washington · Federal Reserve | Federal Reserve, Washington | eight times a year | Federal Reserve |
| data2day 2022A two-day tech conference in Karlsruhe, Germany.Tech · Conferences · to Sep 21 · Karlsruhe, Germany · Independent | Karlsruhe, Germany; Independent | annual | Independent | |
| LeanIX Connect Summit Europe 2022A two-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 21 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent | |
| 325th anniversary: The first of a series of treaties comprising the Peace of Ryswick was signed...In 1697, The first of a series of treaties comprising the Peace of Ryswick was signed between France and the Grand Alliance, ending the Nine Years' War.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| 25th anniversary: Hurricane Erika, the strongest and longest-lasting hurricane of the 1997...In 1997, Hurricane Erika, the strongest and longest-lasting hurricane of the 1997 Atlantic hurricane season, dissipated after causing flooding and power...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| World Cleanup DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 19Mon4 years ago | Infobip Shift 2022A two-day tech conference in Zadar, Croatia.Tech · Conferences · to Sep 20 · Zadar, Croatia · Independent | Zadar, Croatia; Independent | annual | Independent |
| Sep 18Sun4 years ago | Big Data Minds 2022A three-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 20 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent |
| Enterprise AI Summit 2022A three-day tech conference in Berlin, Germany.Tech · Conferences · to Sep 20 · Berlin, Germany · Independent | Berlin, Germany; Independent | annual | Independent | |
| Rethink! IT Security Herbst 2022A three-day tech conference in Hamburg, Germany.Tech · Conferences · to Sep 20 · Hamburg, Germany · Independent | Hamburg, Germany; Independent | annual | Independent | |
| Sep 19Mon4 years ago | Army Day (Chile)A public holiday in Chile, known locally as Día de las Glorias del Ejército.Holidays · Chile · Chile · Nager.Date | Chile | annual | Nager.Date |
| Queen’s State Funeral (United Kingdom)A public holiday in the United Kingdom.Holidays · United Kingdom · United Kingdom · Nager.Date | United Kingdom | annual | Nager.Date | |
| Respect for the Aged Day (Japan)A public holiday in Japan.Holidays · Japan · Japan · Nager.Date | Japan | annual | Nager.Date | |
| State Funeral of Queen Elizabeth II (Canada)A public holiday in Canada.Holidays · Canada · Canada · Nager.Date | Canada | annual | Nager.Date | |
| Sep 18Sun4 years ago | National holiday (Chile)A public holiday in Chile, known locally as Fiestas Patrias.Holidays · Chile · Chile · Nager.Date | Chile | annual | Nager.Date |
| International Equal Pay DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 17Sat4 years ago | Leil SelichotThe first night of Ashkenazi penitential prayers (Selichot) before Rosh Hashanah, late on Saturday night.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) |
| Last quarter moonThe Moon is half lit (waning).Sky · Moon phases · 4:52 pm CT · NASA | – | monthly | NASAComputed (rule) | |
| World Patient Safety DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 16Fri4 years ago | ArbaeenTentativeForty days after Ashura: one of the largest annual pilgrimages in the world, on foot to Karbala. 2/20/1444 AH in the Umm al-Qura calendar. Begins the...Religion · Shia Islam · Umm al-Qura calendar | – | annual | Umm al-Qura calendarComputed (rule) |
| Independence Day (Mexico)A public holiday in Mexico, known locally as Día de la Independencia.Holidays · Mexico · Mexico · Nager.Date | Mexico | annual | Nager.Date | |
| Neptune at oppositionNeptune is opposite the Sun: up all night and at its brightest for the year.Sky · Planets · Astronomy Engine | – | about yearly | Astronomy EngineComputed (rule) | |
| International Day for Interventional CardiologyA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| International Day for the Preservation of the Ozone LayerA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| International Day of Science, Technology and Innovation for the SouthA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Sep 15Thu4 years ago | Devopsdays Washington 2022A two-day tech conference in Washington, Washington DC, DC.Tech · Conferences · to Sep 16 · Washington, Washington DC, DC · Independent | Washington, Washington DC, DC; Independent | annual | Independent |