Calendarby GlyphAugust 2030 calendar
August 2030
Coming upJune 2030
Coming upJuly 2030
The Three WeeksThe mourning period from the 17th of Tammuz to Tisha B’Av. Begins at sundown on Wed, July 17, 2030.Hebcal, computedDetails →Ghost MonthThe seventh lunar month, when the gates of the underworld open; the Ghost Festival falls on its 15th day. Day 1 of lunar month 7.Hong Kong Observatory, computedDetails →
Coming upAugust 2030
Lughnasadh (Lammas)Cross-quarter harvest festival. Northern Hemisphere dates.Wheel of the Year, computedDetails →Emancipation Day (Jamaica)JamaicaA public holiday in Jamaica.Nager.DateDetails →Swiss National Day (Switzerland)SwitzerlandA public holiday in Switzerland, known locally as Bundesfeier.Nager.DateDetails →Day of the PachamamaAndean offerings (the challa) to Mother Earth, through the month of August.Wikipedia, computedDetails →Dormition Fast (Revised Julian calendar)Two weeks of fasting before the Dormition, August 1 to 14.Orthodox Church in America, computedDetails →Mercury at greatest eastern elongationMercury is 27.3° from the Sun, best seen in the evening sky.Astronomy Engine, computedDetails →EU AI Act: Public-authority high-risk systems must complyEuropean UnionProviders and deployers of high-risk AI systems intended for use by public authorities that were placed on the market before the Chapter III application...RegulationsDetails →25th anniversary: Mauritanian president Maaouya Ould Sid'Ahmed Taya was overthrown in a military...In 2005, Mauritanian president Maaouya Ould Sid'Ahmed Taya was overthrown in a military coup while he attended the funeral of King Fahd of Saudi Arabia.WikipediaDetails →Nag PanchamiSerpent deities are worshipped with milk offerings. Shravana, Shukla 5. Regional dates can differ by a day.Wikipedia, computedDetails →200th anniversary: American surveyor James Thompson produced the first plat of Chicago for the...In 1830, American surveyor James Thompson produced the first plat of Chicago for the Illinois and Michigan Canal Commissioners.WikipediaDetails →August Holiday (Ireland)IrelandA public holiday in Ireland, known locally as Lá Saoire i mí Lúnasa.Nager.DateDetails →Commerce Day (Iceland)IcelandA public holiday in Iceland, known locally as Frídagur verslunarmanna.Nager.DateDetails →July Mass Uprising Day (Bangladesh)BangladeshA public holiday in Bangladesh.Nager.DateDetails →Qixi FestivalThe Chinese Valentine’s Day. Day 7 of lunar month 7.Hong Kong Observatory, computedDetails →100th anniversary: New York Supreme Court judge Joseph Force Crater disappeared in Manhattan, in a...In 1930, New York Supreme Court judge Joseph Force Crater disappeared in Manhattan, in a case that was never solved.WikipediaDetails →Battle of Junin (Peru)PeruA public holiday in Peru, known locally as Batalla de Junin.Nager.DateDetails →Independence Day (Jamaica)JamaicaA public holiday in Jamaica.Nager.DateDetails →Transfiguration (Revised Julian calendar)One of the Twelve Great Feasts; fruit and grapes are blessed.Orthodox Church in America, computedDetails →Transfiguration of the LordJesus revealed in glory on the mountain before Peter, James and John.USCCB liturgical year, computedDetails →First quarter moonThe Moon is half lit (waxing).NASA, computedDetails →International Day of Awareness of the Special Development Needs and Challenges of Landlocked Developing CountriesA United Nations international day.United NationsDetails →Battle of Boyacá (Colombia)ColombiaA public holiday in Colombia, known locally as Batalla de Boyacá.Nager.DateDetails →75th anniversary: Hurricane Diane, the first Atlantic hurricane to cause more than $1 billion in...In 1955, Hurricane Diane, the first Atlantic hurricane to cause more than $1 billion in damages, formed between the Lesser Antilles and Cape Verde.WikipediaDetails →Tisha B’AvA fast day mourning the destruction of the First and Second Temples. Begins at sundown on Wed, August 7, 2030.Hebcal, computedDetails →Nane Nane Day (Tanzania)TanzaniaA public holiday in Tanzania, known locally as Nane Nane.Nager.DateDetails →National Day (Singapore)SingaporeA public holiday in Singapore.Nager.DateDetails →National Women's Day (South Africa)South AfricaA public holiday in South Africa.Nager.DateDetails →International Day of the World's Indigenous PeoplesA United Nations international day.United NationsDetails →1075th anniversary: Hungarian invasions of Europe: Forces under Otto the Great were victorious at...In 955, Hungarian invasions of Europe: Forces under Otto the Great were victorious at the Battle of Lechfeld (depicted) near present-day Augsburg, Germany,...WikipediaDetails →275th anniversary: The first wave of the Expulsion of the Acadians from the present-day Canadian...In 1755, The first wave of the Expulsion of the Acadians from the present-day Canadian Maritime provinces by the British began with the Bay of Fundy campaign...WikipediaDetails →Steve Wozniak, born 1950 (80 years)American computer scientist and programmer, co-founded Apple Inc.WikipediaDetails →World Steelpan DayA United Nations international day.United NationsDetails →Perseids meteor shower peakUp to about 100 meteors an hour under a dark sky at the peak (IMO zenithal hourly rate); best after midnight.International Meteor Organization, computedDetails →International Youth DayA United Nations international day.United NationsDetails →Mountain Day (Japan)JapanA public holiday in Japan.Nager.DateDetails →Raksha BandhanSisters tie a rakhi on their brothers’ wrists. Shravana, Shukla Purnima. Regional dates can differ by a day.Wikipedia, computedDetails →Full moon: Sturgeon MoonTraditional North American name: Sturgeon Moon. Moon 373,390 km from Earth.NASA, computedDetails →Ghost Festival (Zhongyuan)Offerings to ancestors and wandering spirits (Buddhist Ullambana). Day 15 of lunar month 7.Hong Kong Observatory, computedDetails →ObonJapanese Buddhist festival honoring ancestors, August 13 to 16 in most of Japan.Wikipedia, computedDetails →Parsi New Year (Navroz, Shahenshahi)The new year of the Parsis of India in the Shahenshahi calendar, a public holiday in Maharashtra and Gujarat; Pateti, the day before, is a day of repentance.Wikipedia, computedDetails →Zikra Oued Ed-Dahab (Morocco)MoroccoA public holiday in Morocco, known locally as Oued Ed-Dahab Day.Nager.DateDetails →Dormition Fast (Julian calendar)Two weeks of fasting before the Dormition, August 1 to 14 Julian.Orthodox Church in America, computedDetails →Tu B’AvThe 15th of Av, a minor festival of love. Begins at sundown on Tue, August 13, 2030.Hebcal, computedDetails →25th anniversary: Helios Airways Flight 522 crashed into a mountain north of Marathon, GreeceIn 2005, Helios Airways Flight 522 crashed into a mountain north of Marathon, Greece, killing all 121 people on board.WikipediaDetails →Assumption of MaryA holy day of obligation for Catholics and a public holiday in much of Europe and Latin America.USCCB liturgical year, computedDetails →Assumption (Spain)SpainA public holiday in Spain, known locally as Asunción.Nager.DateDetails →Assumption Day (Cameroon)CameroonA public holiday in Cameroon.Nager.DateDetails →Assumption of Mary (Chile)ChileA public holiday in Chile, known locally as Asunción de la Virgen.Nager.DateDetails →Dormition of the Theotokos (Romania)RomaniaA public holiday in Romania, known locally as Adormirea Maicii Domnului/Sfânta Maria Mare.Nager.DateDetails →Liberation Day (South Korea)South KoreaA public holiday in South Korea.Nager.DateDetails →Dormition of the Theotokos (Revised Julian calendar)The falling asleep of Mary, one of the Twelve Great Feasts.Orthodox Church in America, computedDetails →25th anniversary: The Helsinki Agreement between the Free Aceh Movement and the Government of...In 2005, The Helsinki Agreement between the Free Aceh Movement and the Government of Indonesia was signed, ending more than 28 years of fighting.WikipediaDetails →General José de San Martín Memorial Day (Argentina)ArgentinaA public holiday in Argentina, known locally as Paso a la Inmortalidad del General José de San Martín.Nager.DateDetails →Independence Day (Indonesia)IndonesiaA public holiday in Indonesia, known locally as Hari Ulang Tahun Kemerdekaan Republik Indonesia.Nager.DateDetails →Marcus Garvey’s BirthdayBorn 1887 in Jamaica, the prophet of the Back to Africa movement.BBC Religions: Rastafari holy days, computedDetails →Assumption and Blessing of the Grapes (Armenian)The Armenian feast of the Assumption, the Sunday nearest August 15, when the first grapes are blessed.Armenian Church (Eastern Diocese of America), computedDetails →Assumption of Mary (Colombia)ColombiaA public holiday in Colombia, known locally as La Asunción.Nager.DateDetails →Khordad Sal (Shahenshahi)The birthday of Zarathustra, Farvardin 6, as the Parsis of India keep it.Wikipedia, computedDetails →Transfiguration (Julian calendar)One of the Twelve Great Feasts; fruit and grapes are blessed. August 6 in the Julian calendar.Orthodox Church in America, computedDetails →125th anniversary: In a ceremony officiated by Albert Grey, 4th Earl Grey, The Luck of Cumberland...In 1905, In a ceremony officiated by Albert Grey, 4th Earl Grey, The Luck of Cumberland (pictured) was presented to HMS Cumberland.WikipediaDetails →25th anniversary: Thunderstorms in southern Ontario, Canada, spawned at least three tornadoes...In 2005, Thunderstorms in southern Ontario, Canada, spawned at least three tornadoes that caused over C$500 million in damage.WikipediaDetails →World Humanitarian DayA United Nations international day.United NationsDetails →Revolution of the King and the People (Morocco)MoroccoA public holiday in Morocco, known locally as Thawrat al malik wa shâab.Nager.DateDetails →State Foundation Day (Hungary)HungaryA public holiday in Hungary, known locally as Az államalapítás ünnepe.Nager.DateDetails →Last quarter moonThe Moon is half lit (waning).NASA, computedDetails →Krishna JanmashtamiThe birth of Krishna, celebrated at midnight. Shravana, Krishna 8. Regional dates can differ by a day.Wikipedia, computedDetails →Ninoy Aquino Day (Philippines)PhilippinesA public holiday in the Philippines, known locally as Araw ng Kamatayan ni Senador Benigno Simeon "Ninoy" Aquino Jr..Nager.DateDetails →Youth Day (Morocco)MoroccoA public holiday in Morocco, known locally as Eid Al Chabab.Nager.DateDetails →International Day of Remembrance and Tribute to the Victims of TerrorismA United Nations international day.United NationsDetails →Minnesota State Fair 2030State Fairgrounds, Falcon HeightsThe Great Minnesota Get-Together: twelve days ending on Labor Day.Minnesota State Fair, computedDetails →International Day Commemorating the Victims of Acts of Violence Based on Religion or BeliefA United Nations international day.United NationsDetails →725th anniversary: William Wallace, a leader of Scottish resistance against England during the...In 1305, William Wallace, a leader of Scottish resistance against England during the Wars of Scottish Independence, was hanged, drawn and quartered.WikipediaDetails →International Day for the Remembrance of the Slave Trade and Its AbolitionA United Nations international day.United NationsDetails →Independence Day (Ukraine)UkraineA public holiday in Ukraine.Nager.DateDetails →Paryushana (Svetambara)Eight days of fasting and reflection, the holiest time of the Jain year, ending on Samvatsari, the day of forgiveness (Michhami Dukkadam). Bhadrapada,...Wikipedia, computedDetails →50th anniversary: A bomb was planted at Harvey's Resort Hotel in Stateline, NevadaIn 1980, A bomb was planted at Harvey's Resort Hotel in Stateline, Nevada, which the FBI later described as the most complex improvised explosive device ever...WikipediaDetails →National Heroes Day (Philippines)PhilippinesA public holiday in the Philippines, known locally as Araw ng mga Bayani.Nager.DateDetails →75th anniversary: Pather Panchali, the first film in The Apu Trilogy by Satyajit Ray, was...In 1955, Pather Panchali, the first film in The Apu Trilogy by Satyajit Ray, was released and went on to win many Indian and international film awards.WikipediaDetails →75th anniversary: The first edition of the Guinness Book of Records was publishedIn 1955, The first edition of the Guinness Book of Records was published.WikipediaDetails →World Lake DayA United Nations international day.United NationsDetails →New moonThe Moon is between Earth and the Sun; darkest nights for stargazing.NASA, computedDetails →Dormition of the Theotokos (Julian calendar)The falling asleep of Mary, one of the Twelve Great Feasts. August 15 in the Julian calendar.Orthodox Church in America, computedDetails →200th anniversary: Tom Thumb (replica pictured), the first American-built steam locomotive, took...In 1830, Tom Thumb (replica pictured), the first American-built steam locomotive, took part in an impromptu race against a horse-drawn car in Maryland.WikipediaDetails →75th anniversary: African-American teenager Emmett Till was lynched near Money, Mississippi, for...In 1955, African-American teenager Emmett Till was lynched near Money, Mississippi, for allegedly flirting with a white woman, energizing the nascent American...WikipediaDetails →International Day against Nuclear TestsA United Nations international day.United NationsDetails →Santa Rosa de Lima (Peru)PeruA public holiday in Peru.Nager.DateDetails →Victory Day (Turkey)TurkeyA public holiday in Turkey, known locally as Zafer Bayramı.Nager.DateDetails →International Day of the Victims of Enforced DisappearancesA United Nations international day.United NationsDetails →International Day for People of African DescentA United Nations international day.United NationsDetails →International Day of Safe, Secure and Trustworthy Artificial IntelligenceA United Nations international day.United NationsDetails →
| Date | Event | |||
|---|---|---|---|---|
| Coming upJune 2030 | ||||
| Jun 10Monin 3 years | 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 30 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Coming upJuly 2030 | ||||
| Jul 18Thuin 3 years | The Three WeeksThe mourning period from the 17th of Tammuz to Tisha B’Av. Begins at sundown on Wed, July 17, 2030.Religion · Judaism · to Aug 8 · Hebcal | – | annual | HebcalComputed (rule) |
| Jul 30Tuein 3 years | Ghost MonthThe seventh lunar month, when the gates of the underworld open; the Ghost Festival falls on its 15th day. Day 1 of lunar month 7.Religion · Taoism and Chinese folk religion · to Aug 28 · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) |
| Coming upAugust 2030 | ||||
| Aug 1Thuin 3 years | Lughnasadh (Lammas)Cross-quarter harvest festival. Northern Hemisphere dates.Religion · Pagan and Wiccan · Wheel of the Year | – | annual | Wheel of the YearComputed (rule) |
| Emancipation Day (Jamaica)A public holiday in Jamaica.Holidays · Jamaica · Jamaica · Nager.Date | Jamaica | annual | Nager.Date | |
| Swiss National Day (Switzerland)A public holiday in Switzerland, known locally as Bundesfeier.Holidays · Switzerland · Switzerland · Nager.Date | Switzerland | annual | Nager.Date | |
| Day of the PachamamaAndean offerings (the challa) to Mother Earth, through the month of August.Religion · Indigenous traditions · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Dormition Fast (Revised Julian calendar)Two weeks of fasting before the Dormition, August 1 to 14.Religion · Eastern Orthodox · to Aug 14 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| Aug 2Friin 3 years | Mercury at greatest eastern elongationMercury is 27.3° from the Sun, best seen in the evening sky.Sky · Planets · Astronomy Engine | – | recurring | Astronomy EngineComputed (rule) |
| EU AI Act: Public-authority high-risk systems must complyProviders and deployers of high-risk AI systems intended for use by public authorities that were placed on the market before the Chapter III application...Tech · Compliance deadlines · European Union · Regulations | European Union | one-off | Regulations | |
| Aug 3Satin 3 years | 25th anniversary: Mauritanian president Maaouya Ould Sid'Ahmed Taya was overthrown in a military...In 2005, Mauritanian president Maaouya Ould Sid'Ahmed Taya was overthrown in a military coup while he attended the funeral of King Fahd of Saudi Arabia.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| Aug 4Sunin 3 years | Nag PanchamiTentativeSerpent deities are worshipped with milk offerings. Shravana, Shukla 5. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) |
| 200th anniversary: American surveyor James Thompson produced the first plat of Chicago for the...In 1830, American surveyor James Thompson produced the first plat of Chicago for the Illinois and Michigan Canal Commissioners.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 5Monin 3 years | August Holiday (Ireland)A public holiday in Ireland, known locally as Lá Saoire i mí Lúnasa.Holidays · Ireland · Ireland · Nager.Date | Ireland | annual | Nager.Date |
| Commerce Day (Iceland)A public holiday in Iceland, known locally as Frídagur verslunarmanna.Holidays · Iceland · Iceland · Nager.Date | Iceland | annual | Nager.Date | |
| July Mass Uprising Day (Bangladesh)A public holiday in Bangladesh.Holidays · Bangladesh · Bangladesh · Nager.Date | Bangladesh | annual | Nager.Date | |
| Qixi FestivalThe Chinese Valentine’s Day. Day 7 of lunar month 7.Culture · Lunar calendar festivals · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) | |
| Aug 6Tuein 3 years | 100th anniversary: New York Supreme Court judge Joseph Force Crater disappeared in Manhattan, in a...In 1930, New York Supreme Court judge Joseph Force Crater disappeared in Manhattan, in a case that was never solved.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| Battle of Junin (Peru)A public holiday in Peru, known locally as Batalla de Junin.Holidays · Peru · Peru · Nager.Date | Peru | annual | Nager.Date | |
| Independence Day (Jamaica)A public holiday in Jamaica.Holidays · Jamaica · Jamaica · Nager.Date | Jamaica | annual | Nager.Date | |
| Transfiguration (Revised Julian calendar)One of the Twelve Great Feasts; fruit and grapes are blessed.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| Transfiguration of the LordJesus revealed in glory on the mountain before Peter, James and John.Religion · Christianity · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) | |
| First quarter moonThe Moon is half lit (waxing).Sky · Moon phases · 11:43 am CT · NASA | – | monthly | NASAComputed (rule) | |
| International Day of Awareness of the Special Development Needs and Challenges of Landlocked Developing CountriesA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 7Wedin 3 years | Battle of Boyacá (Colombia)A public holiday in Colombia, known locally as Batalla de Boyacá.Holidays · Colombia · Colombia · Nager.Date | Colombia | annual | Nager.Date |
| 75th anniversary: Hurricane Diane, the first Atlantic hurricane to cause more than $1 billion in...In 1955, Hurricane Diane, the first Atlantic hurricane to cause more than $1 billion in damages, formed between the Lesser Antilles and Cape Verde.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 8Thuin 3 years | Tisha B’AvA fast day mourning the destruction of the First and Second Temples. Begins at sundown on Wed, August 7, 2030.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) |
| Nane Nane Day (Tanzania)A public holiday in Tanzania, known locally as Nane Nane.Holidays · Tanzania · Tanzania · Nager.Date | Tanzania | annual | Nager.Date | |
| Aug 9Friin 3 years | National Day (Singapore)A public holiday in Singapore.Holidays · Singapore · Singapore · Nager.Date | Singapore | annual | Nager.Date |
| National Women's Day (South Africa)A public holiday in South Africa.Holidays · South Africa · South Africa · Nager.Date | South Africa | annual | Nager.Date | |
| International Day of the World's Indigenous PeoplesA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 10Satin 3 years | 1075th anniversary: Hungarian invasions of Europe: Forces under Otto the Great were victorious at...In 955, Hungarian invasions of Europe: Forces under Otto the Great were victorious at the Battle of Lechfeld (depicted) near present-day Augsburg, Germany,...History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| 275th anniversary: The first wave of the Expulsion of the Acadians from the present-day Canadian...In 1755, The first wave of the Expulsion of the Acadians from the present-day Canadian Maritime provinces by the British began with the Bay of Fundy campaign...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 11Sunin 3 years | Steve Wozniak, born 1950 (80 years)American computer scientist and programmer, co-founded Apple Inc.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia |
| World Steelpan DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 12Monin 3 years | Perseids meteor shower peakUp to about 100 meteors an hour under a dark sky at the peak (IMO zenithal hourly rate); best after midnight.Sky · Meteor showers · International Meteor Organization | – | annual | International Meteor OrganizationComputed (rule) |
| International Youth DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Mountain Day (Japan)A public holiday in Japan.Holidays · Japan · Japan · Nager.Date | Japan | annual | Nager.Date | |
| Aug 13Tuein 3 years | Raksha BandhanTentativeSisters tie a rakhi on their brothers’ wrists. Shravana, Shukla Purnima. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Full moon: Sturgeon MoonTraditional North American name: Sturgeon Moon. Moon 373,390 km from Earth.Sky · Moon phases · 5:44 am CT · NASA | – | monthly | NASAComputed (rule) | |
| Ghost Festival (Zhongyuan)Offerings to ancestors and wandering spirits (Buddhist Ullambana). Day 15 of lunar month 7.Religion · Buddhism · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) | |
| ObonJapanese Buddhist festival honoring ancestors, August 13 to 16 in most of Japan.Religion · Buddhism · to Aug 16 · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Aug 14Wedin 3 years | Parsi New Year (Navroz, Shahenshahi)The new year of the Parsis of India in the Shahenshahi calendar, a public holiday in Maharashtra and Gujarat; Pateti, the day before, is a day of repentance.Religion · Zoroastrianism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Zikra Oued Ed-Dahab (Morocco)A public holiday in Morocco, known locally as Oued Ed-Dahab Day.Holidays · Morocco · Morocco · Nager.Date | Morocco | annual | Nager.Date | |
| Dormition Fast (Julian calendar)Two weeks of fasting before the Dormition, August 1 to 14 Julian.Religion · Eastern Orthodox · to Aug 27 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| Tu B’AvThe 15th of Av, a minor festival of love. Begins at sundown on Tue, August 13, 2030.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) | |
| 25th anniversary: Helios Airways Flight 522 crashed into a mountain north of Marathon, GreeceIn 2005, Helios Airways Flight 522 crashed into a mountain north of Marathon, Greece, killing all 121 people on board.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 15Thuin 3 years | Assumption of MaryA holy day of obligation for Catholics and a public holiday in much of Europe and Latin America.Religion · Catholic · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Assumption (Spain)A public holiday in Spain, known locally as Asunción.Holidays · Spain · Spain · Nager.Date | Spain | annual | Nager.Date | |
| Assumption Day (Cameroon)A public holiday in Cameroon.Holidays · Cameroon · Cameroon · Nager.Date | Cameroon | annual | Nager.Date | |
| Assumption of Mary (Chile)A public holiday in Chile, known locally as Asunción de la Virgen.Holidays · Chile · Chile · Nager.Date | Chile | annual | Nager.Date | |
| Dormition of the Theotokos (Romania)A public holiday in Romania, known locally as Adormirea Maicii Domnului/Sfânta Maria Mare.Holidays · Romania · Romania · Nager.Date | Romania | annual | Nager.Date | |
| Liberation Day (South Korea)A public holiday in South Korea.Holidays · South Korea · South Korea · Nager.Date | South Korea | annual | Nager.Date | |
| Dormition of the Theotokos (Revised Julian calendar)The falling asleep of Mary, one of the Twelve Great Feasts.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 25th anniversary: The Helsinki Agreement between the Free Aceh Movement and the Government of...In 2005, The Helsinki Agreement between the Free Aceh Movement and the Government of Indonesia was signed, ending more than 28 years of fighting.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 17Satin 3 years | General José de San Martín Memorial Day (Argentina)A public holiday in Argentina, known locally as Paso a la Inmortalidad del General José de San Martín.Holidays · Argentina · Argentina · Nager.Date | Argentina | annual | Nager.Date |
| Independence Day (Indonesia)A public holiday in Indonesia, known locally as Hari Ulang Tahun Kemerdekaan Republik Indonesia.Holidays · Indonesia · Indonesia · Nager.Date | Indonesia | annual | Nager.Date | |
| Marcus Garvey’s BirthdayBorn 1887 in Jamaica, the prophet of the Back to Africa movement.Religion · Rastafari · BBC Religions: Rastafari holy days | – | annual | BBC Religions: Rastafari holy daysComputed (rule) | |
| Aug 18Sunin 3 years | Assumption and Blessing of the Grapes (Armenian)The Armenian feast of the Assumption, the Sunday nearest August 15, when the first grapes are blessed.Religion · Oriental Orthodox (Coptic, Ethiopian, Armenian) · Armenian Church (Eastern Diocese of America) | – | annual | Armenian Church (Eastern Diocese of America)Computed (rule) |
| Aug 19Monin 3 years | Assumption of Mary (Colombia)A public holiday in Colombia, known locally as La Asunción.Holidays · Colombia · Colombia · Nager.Date | Colombia | annual | Nager.Date |
| Khordad Sal (Shahenshahi)The birthday of Zarathustra, Farvardin 6, as the Parsis of India keep it.Religion · Zoroastrianism · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Transfiguration (Julian calendar)One of the Twelve Great Feasts; fruit and grapes are blessed. August 6 in the Julian calendar.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 125th anniversary: In a ceremony officiated by Albert Grey, 4th Earl Grey, The Luck of Cumberland...In 1905, In a ceremony officiated by Albert Grey, 4th Earl Grey, The Luck of Cumberland (pictured) was presented to HMS Cumberland.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| 25th anniversary: Thunderstorms in southern Ontario, Canada, spawned at least three tornadoes...In 2005, Thunderstorms in southern Ontario, Canada, spawned at least three tornadoes that caused over C$500 million in damage.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| World Humanitarian DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 20Tuein 3 years | Revolution of the King and the People (Morocco)A public holiday in Morocco, known locally as Thawrat al malik wa shâab.Holidays · Morocco · Morocco · Nager.Date | Morocco | annual | Nager.Date |
| State Foundation Day (Hungary)A public holiday in Hungary, known locally as Az államalapítás ünnepe.Holidays · Hungary · Hungary · Nager.Date | Hungary | annual | Nager.Date | |
| Last quarter moonThe Moon is half lit (waning).Sky · Moon phases · 8:15 pm CT · NASA | – | monthly | NASAComputed (rule) | |
| Aug 21Wedin 3 years | Krishna JanmashtamiTentativeThe birth of Krishna, celebrated at midnight. Shravana, Krishna 8. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Ninoy Aquino Day (Philippines)A public holiday in the Philippines, known locally as Araw ng Kamatayan ni Senador Benigno Simeon "Ninoy" Aquino Jr..Holidays · Philippines · Philippines · Nager.Date | Philippines | annual | Nager.Date | |
| Youth Day (Morocco)A public holiday in Morocco, known locally as Eid Al Chabab.Holidays · Morocco · Morocco · Nager.Date | Morocco | annual | Nager.Date | |
| International Day of Remembrance and Tribute to the Victims of TerrorismA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 22Thuin 3 years | Minnesota State Fair 2030The Great Minnesota Get-Together: twelve days ending on Labor Day.Culture · Minnesota · to Sep 2 · State Fairgrounds, Falcon Heights · Minnesota State Fair | State Fairgrounds, Falcon Heights | annual | Minnesota State FairComputed (rule) |
| International Day Commemorating the Victims of Acts of Violence Based on Religion or BeliefA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 23Friin 3 years | 725th anniversary: William Wallace, a leader of Scottish resistance against England during the...In 1305, William Wallace, a leader of Scottish resistance against England during the Wars of Scottish Independence, was hanged, drawn and quartered.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| International Day for the Remembrance of the Slave Trade and Its AbolitionA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 24Satin 3 years | Independence Day (Ukraine)A public holiday in Ukraine.Holidays · Ukraine · Ukraine · Nager.Date | Ukraine | annual | Nager.Date |
| Aug 25Sunin 3 years | Paryushana (Svetambara)TentativeEight days of fasting and reflection, the holiest time of the Jain year, ending on Samvatsari, the day of forgiveness (Michhami Dukkadam). Bhadrapada,...Religion · Jainism · to Sep 1 · Wikipedia | – | annual | WikipediaComputed (rule) |
| Aug 26Monin 3 years | 50th anniversary: A bomb was planted at Harvey's Resort Hotel in Stateline, NevadaIn 1980, A bomb was planted at Harvey's Resort Hotel in Stateline, Nevada, which the FBI later described as the most complex improvised explosive device ever...History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| National Heroes Day (Philippines)A public holiday in the Philippines, known locally as Araw ng mga Bayani.Holidays · Philippines · Philippines · Nager.Date | Philippines | annual | Nager.Date | |
| 75th anniversary: Pather Panchali, the first film in The Apu Trilogy by Satyajit Ray, was...In 1955, Pather Panchali, the first film in The Apu Trilogy by Satyajit Ray, was released and went on to win many Indian and international film awards.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 27Tuein 3 years | 75th anniversary: The first edition of the Guinness Book of Records was publishedIn 1955, The first edition of the Guinness Book of Records was published.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| World Lake DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 28Wedin 3 years | New moonThe Moon is between Earth and the Sun; darkest nights for stargazing.Sky · Moon phases · 6:07 pm CT · NASA | – | monthly | NASAComputed (rule) |
| Dormition of the Theotokos (Julian calendar)The falling asleep of Mary, one of the Twelve Great Feasts. August 15 in the Julian calendar.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 200th anniversary: Tom Thumb (replica pictured), the first American-built steam locomotive, took...In 1830, Tom Thumb (replica pictured), the first American-built steam locomotive, took part in an impromptu race against a horse-drawn car in Maryland.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| 75th anniversary: African-American teenager Emmett Till was lynched near Money, Mississippi, for...In 1955, African-American teenager Emmett Till was lynched near Money, Mississippi, for allegedly flirting with a white woman, energizing the nascent American...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Aug 29Thuin 3 years | International Day against Nuclear TestsA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations |
| Aug 30Friin 3 years | Santa Rosa de Lima (Peru)A public holiday in Peru.Holidays · Peru · Peru · Nager.Date | Peru | annual | Nager.Date |
| Victory Day (Turkey)A public holiday in Turkey, known locally as Zafer Bayramı.Holidays · Turkey · Turkey · Nager.Date | Turkey | annual | Nager.Date | |
| International Day of the Victims of Enforced DisappearancesA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Aug 31Satin 3 years | International Day for People of African DescentA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations |
| International Day of Safe, Secure and Trustworthy Artificial IntelligenceA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |