April 2028 calendar
April 2028
Coming upFebruary 2028
Great Lent (Coptic and Ethiopian, Abiy Tsom)The 55-day fast of the Coptic and Ethiopian churches, ending at Easter.Ethiopian Orthodox Tewahedo Church, computedDetails →Great Lent (Orthodox)The forty days of the Orthodox fast, from Clean Monday to the Friday before Lazarus Saturday; Holy Week follows.Orthodox Church in America, computedDetails →
Coming upMarch 2028
LentForty days of prayer, fasting and almsgiving, from Ash Wednesday to the evening of Holy Thursday. Most Western churches keep the same season.USCCB liturgical year, computedDetails →Kumbh MelaThe largest gathering of people on earth: pilgrims bathe at the confluence of sacred rivers on the auspicious days.Deccan Chronicle (Madhya Pradesh schedule)Details →Chaitra NavratriThe spring Navratri, nine nights of the goddess ending at Ram Navami. Chaitra, Shukla 1. Regional dates can differ by a day.Wikipedia, computedDetails →
Coming upApril 2028
William Harvey, born 1578 (450 years)English physician and academic (died 1657).WikipediaDetails →April Fools’ DayA day for pranks.Wikipedia, computedDetails →CCPA / CPRA: Cybersecurity audit due: revenue over $100MCaliforniaFirst cybersecurity audit report (covering Jan 1, 2027 - Jan 1, 2028) and certification due for businesses with 2026 annual gross revenue over $100M (11 CCR...RegulationsDetails →CCPA / CPRA: First risk assessment submission to CPPACaliforniaBusinesses must submit required risk assessment information and attestation for assessments conducted in 2026 and 2027 (11 CCR 7157(a)(1)); annually by...RegulationsDetails →CFPB Open Banking Rule (Section 1033): Tier 3 compliance date (original)United StatesBanks with $3B to $10B in assets. Original date; subject to stay, extension and injunction.RegulationsDetails →Day of the Veterans and Fallen of the Malvinas War (Argentina)ArgentinaA public holiday in Argentina, known locally as Día del Veterano y de los Caídos en la Guerra de Malvinas.Nager.DateDetails →First quarter moonThe Moon is half lit (waxing).NASA, computedDetails →World Autism Awareness DayA United Nations international day.United NationsDetails →Confluent retires Control Center 2.5.xConfluentConfluent Platform ends support for this runtime.ConfluentDetails →Ram NavamiThe birth of Rama. Chaitra, Shukla 9. Regional dates can differ by a day.Wikipedia, computedDetails →Alec Baldwin, born 1958 (70 years)American actor, comedian, producer and television host.WikipediaDetails →EU CSAM Interim Regulation: Interim derogation expiresEuropean UnionThe Regulation applies until this date.RegulationsDetails →Qingming Festival (Tomb-Sweeping Day)Families visit and sweep ancestors’ graves; the solar term when the Sun reaches 15° ecliptic longitude.Hong Kong Observatory, computedDetails →Ching Ming Festival (Hong Kong)Hong KongA public holiday in Hong Kong.Nager.DateDetails →Maya Angelou, born 1928 (100 years)American memoirist and poet (died 2014).WikipediaDetails →International Day for Mine Awareness and Assistance in Mine ActionA United Nations international day.United NationsDetails →International Day of ConscienceA United Nations international day.United NationsDetails →Yom HaAliyahIsrael’s day honoring immigration to the Land of Israel. Begins at sundown on Wed, April 5, 2028.Hebcal, computedDetails →James Watson, born 1928 (100 years)American biologist, geneticist, and zoologist, Nobel Prize laureate (died 2025).WikipediaDetails →International Day of Sport for Development and PeaceA United Nations international day.United NationsDetails →Mahavir JayantiThe birth of Mahavira, the 24th Tirthankara. Chaitra, Shukla 13. Regional dates can differ by a day.Wikipedia, computedDetails →World Health DayA United Nations international day.United NationsDetails →Karume Day (Tanzania)TanzaniaA public holiday in Tanzania, known locally as Siku ya Karume.Nager.DateDetails →Annunciation of the Theotokos (Julian calendar)One of the Twelve Great Feasts; kept even in Holy Week. March 25 in the Julian calendar.Orthodox Church in America, computedDetails →International Day of Reflection on the 1994 Genocide against the Tutsi in RwandaA United Nations international day.United NationsDetails →Stream trout season opens (MN)Statewide inland streamsStream trout, Statewide inland streams.Minnesota DNRDetails →Kofi Annan, born 1938 (90 years)Ghanaian economist and diplomat, 7th Secretary-General of the United Nations (died 2018).WikipediaDetails →Hanamatsuri (Buddha’s Birthday in Japan)Flower festival: sweet tea is poured over a statue of the infant Buddha.Wikipedia, computedDetails →Lazarus SaturdayThe raising of Lazarus, the day before Palm Sunday.Orthodox Church in America, computedDetails →ACT national test date (projected)US test centersProjected national ACT test date for 2027-28.ACTDetails →Holy WeekFrom Palm Sunday to Holy Saturday: the last week of Lent, remembering the Passion of Jesus.USCCB liturgical year, computedDetails →Memorial of Christ’s Death (Jehovah’s Witnesses)The one annual observance of Jehovah’s Witnesses, held after sundown on Nisan 14 by their reckoning.jw.orgDetails →Palm SundayJesus’s entry into Jerusalem; Holy Week begins.USCCB liturgical year, computedDetails →Full moon: Pink MoonTraditional North American name: Pink Moon. Moon 363,855 km from Earth.NASA, computedDetails →Day of Valor (Philippines)PhilippinesA public holiday in the Philippines, known locally as Araw ng Kagitingan.Nager.DateDetails →Hanuman JayantiThe birth of Hanuman (North Indian date, Chaitra Purnima). Chaitra, Shukla Purnima. Regional dates can differ by a day.Wikipedia, computedDetails →Orthodox Holy WeekPalm Sunday to Holy Saturday in the Orthodox churches.Orthodox Church in America, computedDetails →Orthodox Palm SundayThe Entry of the Lord into Jerusalem, one of the Twelve Great Feasts.Orthodox Church in America, computedDetails →25th anniversary: Invasion of Iraq: Coalition forces captured Baghdad and the statue of Saddam...In 2003, Invasion of Iraq: Coalition forces captured Baghdad and the statue of Saddam Hussein in Firdos Square was toppled.WikipediaDetails →Fast of the Firstborn (Ta’anit Bechorot)A minor fast for firstborn sons on the day before Passover, usually broken at a siyum. Observed from dawn to nightfall.Hebcal, computedDetails →Confluent retires Confluent Manager for Apache Flink 2.3.xConfluentConfluent Platform ends support for this runtime.ConfluentDetails →Passover (Pesach)Commemorates the Exodus from Egypt; the Seder is held on the first night. Begins at sundown on Mon, April 10, 2028.Hebcal, computedDetails →Microsoft retires BizTalk Server 2020MicrosoftMicrosoft Lifecycle ends support for this product.MicrosoftDetails →Counting of the OmerThe 49 days counted from the second night of Passover to Shavuot. Begins at sundown on Tue, April 11, 2028.Hebcal, computedDetails →International Day of Human Space FlightA United Nations international day.United NationsDetails →VaisakhiThe Sikh new year and the founding of the Khalsa in 1699; the spring harvest festival in Punjab.Wikipedia, computedDetails →Songkran (Thai New Year)The Theravada new year of Thailand, with Pi Mai in Laos, Thingyan in Myanmar and Choul Chnam Thmey in Cambodia: temple visits, merit-making and water throwing.Wikipedia, computedDetails →Maundy Thursday (Philippines)PhilippinesA public holiday in the Philippines, known locally as Huwebes Santo.Nager.DateDetails →Maundy ThursdayThe Last Supper.USCCB liturgical year, computedDetails →Paschal TriduumThe three days from the evening Mass of the Lord’s Supper on Holy Thursday to Easter Sunday evening.USCCB liturgical year, computedDetails →75th anniversary: Ian Fleming's novel Casino Royale was published as the first work to feature...In 1953, Ian Fleming's novel Casino Royale was published as the first work to feature the British spy character James Bond.WikipediaDetails →75th anniversary: The CIA began Project MKUltra, an illegal, covert human research program into...In 1953, The CIA began Project MKUltra, an illegal, covert human research program into mind control.WikipediaDetails →Carles Puyol, born 1978 (50 years)Spanish footballer.WikipediaDetails →Good FridayThe crucifixion of Jesus.USCCB liturgical year, computedDetails →Orthodox Holy FridayHoly Friday in the Orthodox churches.Orthodox Church in America, computedDetails →50th anniversary: Thousands of Georgians demonstrated in Tbilisi against an attempt by the...In 1978, Thousands of Georgians demonstrated in Tbilisi against an attempt by the Supreme Soviet of the Georgian SSR to change the constitutional status of the...WikipediaDetails →US stock markets closed: Good Friday 2028New York Stock Exchange, New YorkNYSE markets are closed for Good Friday.NYSEDetails →Bengali New Year (Bangladesh)BangladeshA public holiday in Bangladesh.Nager.DateDetails →Good Friday (South Africa)South AfricaA public holiday in South Africa.Nager.DateDetails →
| Date | Event | |||
|---|---|---|---|---|
| Coming upFebruary 2028 | ||||
| Feb 21Monin 1 year | Great Lent (Coptic and Ethiopian, Abiy Tsom)The 55-day fast of the Coptic and Ethiopian churches, ending at Easter.Religion · Oriental Orthodox (Coptic, Ethiopian, Armenian) · to Apr 15 · Ethiopian Orthodox Tewahedo Church | – | annual | Ethiopian Orthodox Tewahedo ChurchComputed (rule) |
| Feb 28Monin 1 year | Great Lent (Orthodox)The forty days of the Orthodox fast, from Clean Monday to the Friday before Lazarus Saturday; Holy Week follows.Religion · Eastern Orthodox · to Apr 7 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) |
| Coming upMarch 2028 | ||||
| Mar 1Wedin 1 year | LentForty days of prayer, fasting and almsgiving, from Ash Wednesday to the evening of Holy Thursday. Most Western churches keep the same season.Religion · Catholic · to Apr 13 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Mar 27Monin 1 year | Kumbh MelaThe largest gathering of people on earth: pilgrims bathe at the confluence of sacred rivers on the auspicious days.Religion · Hinduism · to May 27 · Deccan Chronicle (Madhya Pradesh schedule) | – | annual | Deccan Chronicle (Madhya Pradesh schedule) |
| Chaitra NavratriTentativeThe spring Navratri, nine nights of the goddess ending at Ram Navami. Chaitra, Shukla 1. Regional dates can differ by a day.Religion · Hinduism · to Apr 4 · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Coming upApril 2028 | ||||
| Apr 1Satin 1 year | William Harvey, born 1578 (450 years)English physician and academic (died 1657).People · Birth anniversaries · Wikipedia | – | annual | Wikipedia |
| April Fools’ DayA day for pranks.Observances · Days · Wikipedia | – | annual | WikipediaComputed (rule) | |
| CCPA / CPRA: Cybersecurity audit due: revenue over $100MFirst cybersecurity audit report (covering Jan 1, 2027 - Jan 1, 2028) and certification due for businesses with 2026 annual gross revenue over $100M (11 CCR...Tech · Compliance deadlines · California · Regulations | California | one-off | Regulations | |
| CCPA / CPRA: First risk assessment submission to CPPABusinesses must submit required risk assessment information and attestation for assessments conducted in 2026 and 2027 (11 CCR 7157(a)(1)); annually by...Tech · Compliance deadlines · California · Regulations | California | one-off | Regulations | |
| CFPB Open Banking Rule (Section 1033): Tier 3 compliance date (original)TentativeBanks with $3B to $10B in assets. Original date; subject to stay, extension and injunction.Tech · Compliance deadlines · United States · Regulations | United States | one-off | Regulations | |
| Apr 2Sunin 1 year | Day of the Veterans and Fallen of the Malvinas War (Argentina)A public holiday in Argentina, known locally as Día del Veterano y de los Caídos en la Guerra de Malvinas.Holidays · Argentina · Argentina · Nager.Date | Argentina | annual | Nager.Date |
| First quarter moonThe Moon is half lit (waxing).Sky · Moon phases · 2:16 pm CT · NASA | – | monthly | NASAComputed (rule) | |
| World Autism Awareness DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Confluent retires Control Center 2.5.xUnverifiedConfluent Platform ends support for this runtime.Tech · Retirements · Confluent · Confluent | Confluent | one-off | Confluent | |
| Apr 3Monin 1 year | Ram NavamiTentativeThe birth of Rama. Chaitra, Shukla 9. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Alec Baldwin, born 1958 (70 years)American actor, comedian, producer and television host.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| EU CSAM Interim Regulation: Interim derogation expiresThe Regulation applies until this date.Tech · Compliance deadlines · European Union · Regulations | European Union | one-off | Regulations | |
| Apr 4Tuein 1 year | Qingming Festival (Tomb-Sweeping Day)Families visit and sweep ancestors’ graves; the solar term when the Sun reaches 15° ecliptic longitude.Culture · Lunar calendar festivals · Hong Kong Observatory | – | annual | Hong Kong ObservatoryComputed (rule) |
| Ching Ming Festival (Hong Kong)A public holiday in Hong Kong.Holidays · Hong Kong · Hong Kong · Nager.Date | Hong Kong | annual | Nager.Date | |
| Maya Angelou, born 1928 (100 years)American memoirist and poet (died 2014).People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Day for Mine Awareness and Assistance in Mine ActionA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 5Wedin 1 year | International Day of ConscienceA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations |
| Apr 6Thuin 1 year | Yom HaAliyahIsrael’s day honoring immigration to the Land of Israel. Begins at sundown on Wed, April 5, 2028.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) |
| James Watson, born 1928 (100 years)American biologist, geneticist, and zoologist, Nobel Prize laureate (died 2025).People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Day of Sport for Development and PeaceA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 7Friin 1 year | Mahavir JayantiTentativeThe birth of Mahavira, the 24th Tirthankara. Chaitra, Shukla 13. Regional dates can differ by a day.Religion · Jainism · Wikipedia | – | annual | WikipediaComputed (rule) |
| World Health DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Karume Day (Tanzania)A public holiday in Tanzania, known locally as Siku ya Karume.Holidays · Tanzania · Tanzania · Nager.Date | Tanzania | annual | Nager.Date | |
| Annunciation of the Theotokos (Julian calendar)One of the Twelve Great Feasts; kept even in Holy Week. March 25 in the Julian calendar.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| International Day of Reflection on the 1994 Genocide against the Tutsi in RwandaA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 8Satin 1 year | Stream trout season opens (MN)Stream trout, Statewide inland streams.Outdoors · Fishing · Statewide inland streams · Minnesota DNR | Statewide inland streams | annual | Minnesota DNR |
| Kofi Annan, born 1938 (90 years)Ghanaian economist and diplomat, 7th Secretary-General of the United Nations (died 2018).People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| Hanamatsuri (Buddha’s Birthday in Japan)Flower festival: sweet tea is poured over a statue of the infant Buddha.Religion · Buddhism · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Lazarus SaturdayThe raising of Lazarus, the day before Palm Sunday.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| ACT national test date (projected)TentativeProjected national ACT test date for 2027-28.Academic · Exams · US test centers · ACT | US test centers | annual | ACT | |
| Apr 9Sunin 1 year | Holy WeekFrom Palm Sunday to Holy Saturday: the last week of Lent, remembering the Passion of Jesus.Religion · Christianity · to Apr 15 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Memorial of Christ’s Death (Jehovah’s Witnesses)The one annual observance of Jehovah’s Witnesses, held after sundown on Nisan 14 by their reckoning.Religion · Jehovah’s Witnesses · jw.org | – | annual | jw.org | |
| Palm SundayJesus’s entry into Jerusalem; Holy Week begins.Religion · Christianity · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) | |
| Full moon: Pink MoonTraditional North American name: Pink Moon. Moon 363,855 km from Earth.Sky · Moon phases · 5:27 am CT · NASA | – | monthly | NASAComputed (rule) | |
| Day of Valor (Philippines)A public holiday in the Philippines, known locally as Araw ng Kagitingan.Holidays · Philippines · Philippines · Nager.Date | Philippines | annual | Nager.Date | |
| Hanuman JayantiTentativeThe birth of Hanuman (North Indian date, Chaitra Purnima). Chaitra, Shukla Purnima. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Orthodox Holy WeekPalm Sunday to Holy Saturday in the Orthodox churches.Religion · Eastern Orthodox · to Apr 15 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| Orthodox Palm SundayThe Entry of the Lord into Jerusalem, one of the Twelve Great Feasts.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 25th anniversary: Invasion of Iraq: Coalition forces captured Baghdad and the statue of Saddam...In 2003, Invasion of Iraq: Coalition forces captured Baghdad and the statue of Saddam Hussein in Firdos Square was toppled.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Apr 10Monin 1 year | Fast of the Firstborn (Ta’anit Bechorot)A minor fast for firstborn sons on the day before Passover, usually broken at a siyum. Observed from dawn to nightfall.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) |
| Confluent retires Confluent Manager for Apache Flink 2.3.xUnverifiedConfluent Platform ends support for this runtime.Tech · Retirements · Confluent · Confluent | Confluent | one-off | Confluent | |
| Apr 11Tuein 1 year | Passover (Pesach)Commemorates the Exodus from Egypt; the Seder is held on the first night. Begins at sundown on Mon, April 10, 2028.Religion · Judaism · to Apr 18 · Hebcal | – | annual | HebcalComputed (rule) |
| Microsoft retires BizTalk Server 2020UnverifiedMicrosoft Lifecycle ends support for this product.Tech · Retirements · Microsoft · Microsoft | Microsoft | one-off | Microsoft | |
| Apr 12Wedin 1 year | Counting of the OmerThe 49 days counted from the second night of Passover to Shavuot. Begins at sundown on Tue, April 11, 2028.Religion · Judaism · to May 30 · Hebcal | – | annual | HebcalComputed (rule) |
| International Day of Human Space FlightA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 13Thuin 1 year | VaisakhiThe Sikh new year and the founding of the Khalsa in 1699; the spring harvest festival in Punjab.Religion · Sikhism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Songkran (Thai New Year)The Theravada new year of Thailand, with Pi Mai in Laos, Thingyan in Myanmar and Choul Chnam Thmey in Cambodia: temple visits, merit-making and water throwing.Religion · Buddhism · to Apr 15 · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Maundy Thursday (Philippines)A public holiday in the Philippines, known locally as Huwebes Santo.Holidays · Philippines · Philippines · Nager.Date | Philippines | annual | Nager.Date | |
| Maundy ThursdayThe Last Supper.Religion · Christianity · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) | |
| Paschal TriduumThe three days from the evening Mass of the Lord’s Supper on Holy Thursday to Easter Sunday evening.Religion · Catholic · to Apr 16 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) | |
| 75th anniversary: Ian Fleming's novel Casino Royale was published as the first work to feature...In 1953, Ian Fleming's novel Casino Royale was published as the first work to feature the British spy character James Bond.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| 75th anniversary: The CIA began Project MKUltra, an illegal, covert human research program into...In 1953, The CIA began Project MKUltra, an illegal, covert human research program into mind control.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| Carles Puyol, born 1978 (50 years)Spanish footballer.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| Apr 14Friin 1 year | Good FridayThe crucifixion of Jesus.Religion · Christianity · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Orthodox Holy FridayHoly Friday in the Orthodox churches.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) | |
| 50th anniversary: Thousands of Georgians demonstrated in Tbilisi against an attempt by the...In 1978, Thousands of Georgians demonstrated in Tbilisi against an attempt by the Supreme Soviet of the Georgian SSR to change the constitutional status of the...History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| US stock markets closed: Good Friday 2028NYSE markets are closed for Good Friday.Economy · Market holidays · New York Stock Exchange, New York · NYSE | New York Stock Exchange, New York | annual | NYSE | |
| Bengali New Year (Bangladesh)A public holiday in Bangladesh.Holidays · Bangladesh · Bangladesh · Nager.Date | Bangladesh | annual | Nager.Date | |
| Good Friday (South Africa)A public holiday in South Africa.Holidays · South Africa · South Africa · Nager.Date | South Africa | annual | Nager.Date | |