April 2021 calendar
April 2021
PastMay 2021
Easter seasonThe fifty days from Easter Sunday to Pentecost (Eastertide).USCCB liturgical year, computedDetails →Counting of the OmerThe 49 days counted from the second night of Passover to Shavuot. Begins at sundown on Sun, March 28, 2021.Hebcal, computedDetails →RamadanThe month of fasting from dawn to sunset. 9/1/1442 AH in the Umm al-Qura calendar. Begins the evening before; the actual date depends on local moon sighting...Umm al-Qura calendar, computedDetails →Gahambar Maidyozarem (mid-spring)The first of the six five-day seasonal feasts (Gahambars), in the Fasli calendar.avesta.org Zoroastrian calendars, computedDetails →Orthodox Holy WeekPalm Sunday to Holy Saturday in the Orthodox churches.Orthodox Church in America, computedDetails →Festival of RidvanThe twelve days of Baha’u’llah’s stay in the Garden of Ridvan in 1863, the King of Festivals; Baha’i institutions are elected during it.Baha’i World Centre, computedDetails →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 →
PastApril 2021
Orthodox Holy FridayHoly Friday in the Orthodox churches.Orthodox Church in America, computedDetails →General Prayer Day (Denmark)DenmarkA public holiday in Denmark, known locally as Store bededag.Nager.DateDetails →Good Friday (Ethiopia)EthiopiaA public holiday in Ethiopia.Nager.DateDetails →Labour Day (Mexico)MexicoA public holiday in Mexico, known locally as Día del Trabajo.Nager.DateDetails →Reunification Day (Vietnam)VietnamA public holiday in Vietnam, known locally as Ngày Giải phóng miền Nam, thống nhất đất nước.Nager.DateDetails →Lag BaOmerThe 33rd day of the Omer count, a day of celebration. Begins at sundown on Thu, April 29, 2021.Hebcal, computedDetails →Carl XVI Gustaf, born 1946 (75 years)King Carl XVI Gustaf of Sweden.WikipediaDetails →International Jazz DayA United Nations international day.United NationsDetails →GIDS Live 2021Online · IndependentA four-day tech conference, held online.IndependentDetails →Kumbh MelaThe largest gathering of people on earth: pilgrims bathe at the confluence of sacred rivers on the auspicious days.The Hindu (Uttarakhand notification)Details →
Amazon earnings (Q1 FY2021)Amazon (AMZN)Amazon reported Q1 FY2021 results after the market closed.EarningsDetails →Shōwa Day (Japan)JapanA public holiday in Japan.Nager.DateDetails →Sinai Liberation Day (Egypt)EgyptA public holiday in Egypt.Nager.DateDetails →International Day in Memory of the Victims of EarthquakesA United Nations international day.United NationsDetails →
Fortinet earnings (Q1 FY2021)Fortinet (FTNT)Fortinet reported Q1 FY2021 results after the market closed.EarningsDetails →
KLA earnings (Q3 FY2021)KLA (KLAC)KLA reported Q3 FY2021 results after the market closed.EarningsDetails →
MACOM earnings (Q2 FY2021)MACOM (MTSI)MACOM reported Q2 FY2021 results before the market opened.EarningsDetails →
Skyworks earnings (Q2 FY2021)Skyworks (SWKS)Skyworks reported Q2 FY2021 results after the market closed.EarningsDetails →
Western Digital earnings (Q3 FY2021)Western Digital (WDC)Western Digital reported Q3 FY2021 results after the market closed.EarningsDetails →Conf42: Cloud Native 2021Online · IndependentA tech conference, held online.IndependentDetails →DevX 2021Online · IndependentA two-day tech conference, held online.IndependentDetails →Embedded IoT World 2021Online · IndependentA two-day tech conference, held online.IndependentDetails →
Apple earnings (Q2 FY2021)Apple (AAPL)Apple reported Q2 FY2021 results after the market closed.EarningsDetails →Ninth Day of RidvanHoly day during the Festival of Ridvan. Begins at sunset the evening before.Baha’i World Centre, computedDetails →25th anniversary: A spree shooter carried out the Port Arthur massacreIn 1996, A spree shooter carried out the Port Arthur massacre, killing 35 people and injuring 23, in Tasmania, prompting stricter gun laws in Australia.WikipediaDetails →World Day for Safety and Health at WorkA United Nations international day.United NationsDetails →
eBay earnings (Q1 FY2021)eBay (EBAY)EBay reported Q1 FY2021 results after the market closed.EarningsDetails →
PTC earnings (Q2 FY2021)PTC (PTC)PTC reported Q2 FY2021 results after the market closed.EarningsDetails →
Qualcomm earnings (Q2 FY2021)Qualcomm (QCOM)Qualcomm reported Q2 FY2021 results after the market closed.EarningsDetails →
Teradyne earnings (Q1 FY2021)Teradyne (TER)Teradyne reported Q1 FY2021 results before the market opened.EarningsDetails →
Vertiv earnings (Q1 FY2021)Vertiv (VRT)Vertiv reported Q1 FY2021 results before the market opened.EarningsDetails →FOMC meetingFederal Reserve, WashingtonThe Federal Open Market Committee sets US interest rates; the statement comes at 2:00 pm ET on the last day.Federal ReserveDetails →Red Hat Summit 2021Online · IBMA two-day tech conference, held online.IBMDetails →DeveloperWeek Europe 2021Online · IndependentA two-day tech conference, held online.IndependentDetails →Minds Mastering Machines 2021Online · IndependentA two-day tech conference, held online.IndependentDetails →
Microsoft earnings (Q3 FY2021)Microsoft (MSFT)Microsoft reported Q3 FY2021 results after the market closed.EarningsDetails →Freedom Day (South Africa)South AfricaA public holiday in South Africa.Nager.DateDetails →King's Day (Netherlands)NetherlandsA public holiday in the Netherlands, known locally as Koningsdag.Nager.DateDetails →Hanuman JayantiThe birth of Hanuman (North Indian date, Chaitra Purnima). Chaitra, Shukla Purnima. Regional dates can differ by a day.Wikipedia, computedDetails →
AMD earnings (Q1 FY2021)AMD (AMD)AMD reported Q1 FY2021 results after the market closed.EarningsDetails →
Entegris earnings (Q1 FY2021)Entegris (ENTG)Entegris reported Q1 FY2021 results before the market opened.EarningsDetails →
Fiserv earnings (Q1 FY2021)Fiserv (FISV)Fiserv reported Q1 FY2021 results before the market opened.EarningsDetails →
Manhattan Associates earnings (Q1 FY2021)Manhattan Associates (MANH)Manhattan Associates reported Q1 FY2021 results after the market closed.EarningsDetails →
NXP Semiconductors earnings (Q1 FY2021)NXP Semiconductors (NXPI)NXP Semiconductors reported Q1 FY2021 results before the market opened.EarningsDetails →
Pinterest earnings (Q1 FY2021)Pinterest (PINS)Pinterest reported Q1 FY2021 results after the market closed.EarningsDetails →
Tenable earnings (Q1 FY2021)Tenable (TENB)Tenable reported Q1 FY2021 results after the market closed.EarningsDetails →
Texas Instruments earnings (Q1 FY2021)Texas Instruments (TXN)Texas Instruments reported Q1 FY2021 results after the market closed.EarningsDetails →Full moon: Pink Moon (supermoon)Traditional North American name: Pink Moon. Moon 357,607 km from Earth, close enough to count as a supermoon.NASA, computedDetails →
Tesla earnings (Q1 FY2021)Tesla (TSLA)Tesla reported Q1 FY2021 results after the market closed.EarningsDetails →Anzac Day (New Zealand)New ZealandA public holiday in New Zealand.Nager.DateDetails →Union Day (Tanzania)TanzaniaA public holiday in Tanzania, known locally as Sikukuu ya Muungano.Nager.DateDetails →Pesach SheniThe Second Passover, a month after Passover. Begins at sundown on Sun, April 25, 2021.Hebcal, computedDetails →International Chernobyl Disaster Remembrance DayA United Nations international day.United NationsDetails →World Intellectual Property DayA United Nations international day.United NationsDetails →
Amkor earnings (Q1 FY2021)Amkor (AMKR)Amkor reported Q1 FY2021 results.EarningsDetails →
Cadence earnings (Q1 FY2021)Cadence (CDNS)Cadence reported Q1 FY2021 results after the market closed.EarningsDetails →Mahavir JayantiThe birth of Mahavira, the 24th Tirthankara. Chaitra, Shukla 13. Regional dates can differ by a day.Wikipedia, computedDetails →Freedom Day (Portugal)PortugalA public holiday in Portugal, known locally as Dia da Liberdade.Nager.DateDetails →Liberation Day (Italy)ItalyA public holiday in Italy, known locally as Festa della Liberazione.Nager.DateDetails →Orthodox Palm SundayThe Entry of the Lord into Jerusalem, one of the Twelve Great Feasts.Orthodox Church in America, computedDetails →75th anniversary: Two passenger trains collided in Naperville, Illinois, leaving 45 people dead...In 1946, Two passenger trains collided in Naperville, Illinois, leaving 45 people dead and some 125 injured.WikipediaDetails →International Delegate’s DayA United Nations international day.United NationsDetails →World Malaria DayA United Nations international day.United NationsDetails →Lazarus SaturdayThe raising of Lazarus, the day before Palm Sunday.Orthodox Church in America, computedDetails →International Day of Multilateralism and Diplomacy for PeaceA United Nations international day.United NationsDetails →Data Science fwdays 2021Online · IndependentA tech conference, held online.IndependentDetails →Global AI Student Conference 2021Online · IndependentA tech conference, held online.IndependentDetails →50th anniversary: The Rolling Stones released Sticky Fingers, the first album on their own label,...In 1971, The Rolling Stones released Sticky Fingers, the first album on their own label, Rolling Stones Records.WikipediaDetails →National Independence & Children's Day (Turkey)TurkeyA public holiday in Turkey, known locally as Ulusal Egemenlik ve Çocuk Bayramı.Nager.DateDetails →English Language DayA United Nations international day.United NationsDetails →International Girls in ICT DayA United Nations international day.United NationsDetails →Spanish Language DayA United Nations international day.United NationsDetails →World Book and Copyright DayA United Nations international day.United NationsDetails →DevOpsCon London 2021London, United Kingdom · IndependentA four-day tech conference in London, United Kingdom.IndependentDetails →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 →Lyrids meteor shower peakUp to about 18 meteors an hour under a dark sky at the peak (IMO zenithal hourly rate); best after midnight.International Meteor Organization, computedDetails →International Mother Earth DayA United Nations international day.United NationsDetails →First Day of Summer (Iceland)IcelandA public holiday in Iceland, known locally as Sumardagurinn fyrsti.Nager.DateDetails →International Day of Greening the PlanetA United Nations international day.United NationsDetails →
Intel earnings (Q1 FY2021)Intel (INTC)Intel reported Q1 FY2021 results after the market closed.EarningsDetails →
Seagate earnings (Q3 FY2021)Seagate (STX)Seagate reported Q3 FY2021 results after the market closed.EarningsDetails →
Snap earnings (Q1 FY2021)Snap (SNAP)Snap reported Q1 FY2021 results after the market closed.EarningsDetails →SKILup Day: Agile Transformation 2021Online · IndependentA tech conference, held online.IndependentDetails →Groundation DayHaile Selassie’s visit to Jamaica on April 21, 1966.BBC Religions: Rastafari holy days, computedDetails →Ram NavamiThe birth of Rama. Chaitra, Shukla 9. Regional dates can differ by a day.Wikipedia, computedDetails →Tiradentes (Brazil)BrazilA public holiday in Brazil, known locally as Dia de Tiradentes.Nager.DateDetails →World Creativity and Innovation DayA United Nations international day.United NationsDetails →
Lam Research earnings (Q3 FY2021)Lam Research (LRCX)Lam Research reported Q3 FY2021 results after the market closed.EarningsDetails →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 →First Day of RidvanBaha’u’llah’s declaration in the Garden of Ridvan, 1863: the start of the twelve-day Festival of Ridvan. Begins at sunset the evening before.Baha’i World Centre, computedDetails →First quarter moonThe Moon is half lit (waxing).NASA, computedDetails →
| Date | Event | |||
|---|---|---|---|---|
| PastMay 2021 | ||||
| Apr 4Sun5 years ago | Easter seasonThe fifty days from Easter Sunday to Pentecost (Eastertide).Religion · Catholic · to May 23 · USCCB liturgical year | – | annual | USCCB liturgical yearComputed (rule) |
| Mar 29Mon5 years ago | Counting of the OmerThe 49 days counted from the second night of Passover to Shavuot. Begins at sundown on Sun, March 28, 2021.Religion · Judaism · to May 16 · Hebcal | – | annual | HebcalComputed (rule) |
| Apr 13Tue5 years ago | RamadanTentativeThe month of fasting from dawn to sunset. 9/1/1442 AH in the Umm al-Qura calendar. Begins the evening before; the actual date depends on local moon sighting...Religion · Islam · to May 12 · Umm al-Qura calendar | – | annual | Umm al-Qura calendarComputed (rule) |
| Apr 30Fri5 years ago | Gahambar Maidyozarem (mid-spring)The first of the six five-day seasonal feasts (Gahambars), in the Fasli calendar.Religion · Zoroastrianism · to May 4 · avesta.org Zoroastrian calendars | – | annual | avesta.org Zoroastrian calendarsComputed (rule) |
| Apr 25Sun5 years ago | Orthodox Holy WeekPalm Sunday to Holy Saturday in the Orthodox churches.Religion · Eastern Orthodox · to May 1 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) |
| Apr 20Tue5 years ago | Festival of RidvanThe twelve days of Baha’u’llah’s stay in the Garden of Ridvan in 1863, the King of Festivals; Baha’i institutions are elected during it.Religion · Baha’i · to May 1 · Baha’i World Centre | – | annual | Baha’i World CentreComputed (rule) |
| Mar 8Mon5 years ago | 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 May 1 · Ethiopian Orthodox Tewahedo Church | – | annual | Ethiopian Orthodox Tewahedo ChurchComputed (rule) |
| PastApril 2021 | ||||
| Apr 30Fri5 years ago | Orthodox Holy FridayHoly Friday in the Orthodox churches.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) |
| General Prayer Day (Denmark)A public holiday in Denmark, known locally as Store bededag.Holidays · Denmark · Denmark · Nager.Date | Denmark | annual | Nager.Date | |
| Good Friday (Ethiopia)A public holiday in Ethiopia.Holidays · Ethiopia · Ethiopia · Nager.Date | Ethiopia | annual | Nager.Date | |
| Labour Day (Mexico)A public holiday in Mexico, known locally as Día del Trabajo.Holidays · Mexico · Mexico · Nager.Date | Mexico | annual | Nager.Date | |
| Reunification Day (Vietnam)A public holiday in Vietnam, known locally as Ngày Giải phóng miền Nam, thống nhất đất nước.Holidays · Vietnam · Vietnam · Nager.Date | Vietnam | annual | Nager.Date | |
| Lag BaOmerThe 33rd day of the Omer count, a day of celebration. Begins at sundown on Thu, April 29, 2021.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) | |
| Carl XVI Gustaf, born 1946 (75 years)King Carl XVI Gustaf of Sweden.People · Birth anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Jazz DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 27Tue5 years ago | GIDS Live 2021A four-day tech conference, held online.Tech · Conferences · to Apr 30 · Online · Independent | Online; Independent | annual | Independent |
| Apr 1Thu5 years ago | Kumbh MelaThe largest gathering of people on earth: pilgrims bathe at the confluence of sacred rivers on the auspicious days.Religion · Hinduism · to Apr 30 · The Hindu (Uttarakhand notification) | – | annual | The Hindu (Uttarakhand notification) |
| Apr 29Thu5 years ago | Amazon earnings (Q1 FY2021)Amazon reported Q1 FY2021 results after the market closed.Economy · Earnings · Amazon (AMZN) · Earnings | Amazon (AMZN) | quarterly | Earnings |
| Shōwa Day (Japan)A public holiday in Japan.Holidays · Japan · Japan · Nager.Date | Japan | annual | Nager.Date | |
| Sinai Liberation Day (Egypt)A public holiday in Egypt.Holidays · Egypt · Egypt · Nager.Date | Egypt | annual | Nager.Date | |
| International Day in Memory of the Victims of EarthquakesA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Fortinet earnings (Q1 FY2021)Fortinet reported Q1 FY2021 results after the market closed.Economy · Earnings · Fortinet (FTNT) · Earnings | Fortinet (FTNT) | quarterly | Earnings | |
| KLA earnings (Q3 FY2021)KLA reported Q3 FY2021 results after the market closed.Economy · Earnings · KLA (KLAC) · Earnings | KLA (KLAC) | quarterly | Earnings | |
| MACOM earnings (Q2 FY2021)MACOM reported Q2 FY2021 results before the market opened.Economy · Earnings · MACOM (MTSI) · Earnings | MACOM (MTSI) | quarterly | Earnings | |
| Skyworks earnings (Q2 FY2021)Skyworks reported Q2 FY2021 results after the market closed.Economy · Earnings · Skyworks (SWKS) · Earnings | Skyworks (SWKS) | quarterly | Earnings | |
| Western Digital earnings (Q3 FY2021)Western Digital reported Q3 FY2021 results after the market closed.Economy · Earnings · Western Digital (WDC) · Earnings | Western Digital (WDC) | quarterly | Earnings | |
| Conf42: Cloud Native 2021A tech conference, held online.Tech · Conferences · Online · Independent | Online; Independent | annual | Independent | |
| Apr 28Wed5 years ago | DevX 2021A two-day tech conference, held online.Tech · Conferences · to Apr 29 · Online · Independent | Online; Independent | annual | Independent |
| Embedded IoT World 2021A two-day tech conference, held online.Tech · Conferences · to Apr 29 · Online · Independent | Online; Independent | annual | Independent | |
| Apple earnings (Q2 FY2021)Apple reported Q2 FY2021 results after the market closed.Economy · Earnings · Apple (AAPL) · Earnings | Apple (AAPL) | quarterly | Earnings | |
| Ninth Day of RidvanHoly day during the Festival of Ridvan. Begins at sunset the evening before.Religion · Baha’i · Baha’i World Centre | – | annual | Baha’i World CentreComputed (rule) | |
| 25th anniversary: A spree shooter carried out the Port Arthur massacreIn 1996, A spree shooter carried out the Port Arthur massacre, killing 35 people and injuring 23, in Tasmania, prompting stricter gun laws in Australia.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| World Day for Safety and Health at WorkA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| eBay earnings (Q1 FY2021)EBay reported Q1 FY2021 results after the market closed.Economy · Earnings · eBay (EBAY) · Earnings | eBay (EBAY) | quarterly | Earnings | |
| PTC earnings (Q2 FY2021)PTC reported Q2 FY2021 results after the market closed.Economy · Earnings · PTC (PTC) · Earnings | PTC (PTC) | quarterly | Earnings | |
| Qualcomm earnings (Q2 FY2021)Qualcomm reported Q2 FY2021 results after the market closed.Economy · Earnings · Qualcomm (QCOM) · Earnings | Qualcomm (QCOM) | quarterly | Earnings | |
| Teradyne earnings (Q1 FY2021)Teradyne reported Q1 FY2021 results before the market opened.Economy · Earnings · Teradyne (TER) · Earnings | Teradyne (TER) | quarterly | Earnings | |
| Vertiv earnings (Q1 FY2021)Vertiv reported Q1 FY2021 results before the market opened.Economy · Earnings · Vertiv (VRT) · Earnings | Vertiv (VRT) | quarterly | Earnings | |
| Apr 27Tue5 years ago | FOMC meetingThe Federal Open Market Committee sets US interest rates; the statement comes at 2:00 pm ET on the last day.Economy · Federal Reserve · 1:00 pm ET · to Apr 28 · Federal Reserve, Washington · Federal Reserve | Federal Reserve, Washington | eight times a year | Federal Reserve |
| Red Hat Summit 2021A two-day tech conference, held online.Tech · Conferences · to Apr 28 · Online · IBM | Online; IBM | annual | IBM | |
| DeveloperWeek Europe 2021A two-day tech conference, held online.Tech · Conferences · to Apr 28 · Online · Independent | Online; Independent | annual | Independent | |
| Minds Mastering Machines 2021A two-day tech conference, held online.Tech · Conferences · to Apr 28 · Online · Independent | Online; Independent | annual | Independent | |
| Microsoft earnings (Q3 FY2021)Microsoft reported Q3 FY2021 results after the market closed.Economy · Earnings · Microsoft (MSFT) · Earnings | Microsoft (MSFT) | quarterly | Earnings | |
| Freedom Day (South Africa)A public holiday in South Africa.Holidays · South Africa · South Africa · Nager.Date | South Africa | annual | Nager.Date | |
| King's Day (Netherlands)A public holiday in the Netherlands, known locally as Koningsdag.Holidays · Netherlands · Netherlands · Nager.Date | Netherlands | 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) | |
| AMD earnings (Q1 FY2021)AMD reported Q1 FY2021 results after the market closed.Economy · Earnings · AMD (AMD) · Earnings | AMD (AMD) | quarterly | Earnings | |
| Entegris earnings (Q1 FY2021)Entegris reported Q1 FY2021 results before the market opened.Economy · Earnings · Entegris (ENTG) · Earnings | Entegris (ENTG) | quarterly | Earnings | |
| Fiserv earnings (Q1 FY2021)Fiserv reported Q1 FY2021 results before the market opened.Economy · Earnings · Fiserv (FISV) · Earnings | Fiserv (FISV) | quarterly | Earnings | |
| Manhattan Associates earnings (Q1 FY2021)Manhattan Associates reported Q1 FY2021 results after the market closed.Economy · Earnings · Manhattan Associates (MANH) · Earnings | Manhattan Associates (MANH) | quarterly | Earnings | |
| NXP Semiconductors earnings (Q1 FY2021)NXP Semiconductors reported Q1 FY2021 results before the market opened.Economy · Earnings · NXP Semiconductors (NXPI) · Earnings | NXP Semiconductors (NXPI) | quarterly | Earnings | |
| Pinterest earnings (Q1 FY2021)Pinterest reported Q1 FY2021 results after the market closed.Economy · Earnings · Pinterest (PINS) · Earnings | Pinterest (PINS) | quarterly | Earnings | |
| Tenable earnings (Q1 FY2021)Tenable reported Q1 FY2021 results after the market closed.Economy · Earnings · Tenable (TENB) · Earnings | Tenable (TENB) | quarterly | Earnings | |
| Texas Instruments earnings (Q1 FY2021)Texas Instruments reported Q1 FY2021 results after the market closed.Economy · Earnings · Texas Instruments (TXN) · Earnings | Texas Instruments (TXN) | quarterly | Earnings | |
| Apr 26Mon5 years ago | Full moon: Pink Moon (supermoon)Traditional North American name: Pink Moon. Moon 357,607 km from Earth, close enough to count as a supermoon.Sky · Moon phases · 10:32 pm CT · NASA | – | monthly | NASAComputed (rule) |
| Tesla earnings (Q1 FY2021)Tesla reported Q1 FY2021 results after the market closed.Economy · Earnings · Tesla (TSLA) · Earnings | Tesla (TSLA) | quarterly | Earnings | |
| Anzac Day (New Zealand)A public holiday in New Zealand.Holidays · New Zealand · New Zealand · Nager.Date | New Zealand | annual | Nager.Date | |
| Union Day (Tanzania)A public holiday in Tanzania, known locally as Sikukuu ya Muungano.Holidays · Tanzania · Tanzania · Nager.Date | Tanzania | annual | Nager.Date | |
| Pesach SheniThe Second Passover, a month after Passover. Begins at sundown on Sun, April 25, 2021.Religion · Judaism · Hebcal | – | annual | HebcalComputed (rule) | |
| International Chernobyl Disaster Remembrance DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| World Intellectual Property DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Amkor earnings (Q1 FY2021)Amkor reported Q1 FY2021 results.Economy · Earnings · Amkor (AMKR) · Earnings | Amkor (AMKR) | quarterly | Earnings | |
| Cadence earnings (Q1 FY2021)Cadence reported Q1 FY2021 results after the market closed.Economy · Earnings · Cadence (CDNS) · Earnings | Cadence (CDNS) | quarterly | Earnings | |
| Apr 25Sun5 years ago | Mahavir JayantiTentativeThe birth of Mahavira, the 24th Tirthankara. Chaitra, Shukla 13. Regional dates can differ by a day.Religion · Jainism · Wikipedia | – | annual | WikipediaComputed (rule) |
| Freedom Day (Portugal)A public holiday in Portugal, known locally as Dia da Liberdade.Holidays · Portugal · Portugal · Nager.Date | Portugal | annual | Nager.Date | |
| Liberation Day (Italy)A public holiday in Italy, known locally as Festa della Liberazione.Holidays · Italy · Italy · Nager.Date | Italy | annual | Nager.Date | |
| 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) | |
| 75th anniversary: Two passenger trains collided in Naperville, Illinois, leaving 45 people dead...In 1946, Two passenger trains collided in Naperville, Illinois, leaving 45 people dead and some 125 injured.History · Anniversaries · Wikipedia | – | annual | Wikipedia | |
| International Delegate’s DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| World Malaria DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 24Sat5 years ago | Lazarus SaturdayThe raising of Lazarus, the day before Palm Sunday.Religion · Eastern Orthodox · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) |
| International Day of Multilateralism and Diplomacy for PeaceA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Data Science fwdays 2021A tech conference, held online.Tech · Conferences · Online · Independent | Online; Independent | annual | Independent | |
| Global AI Student Conference 2021A tech conference, held online.Tech · Conferences · Online · Independent | Online; Independent | annual | Independent | |
| Apr 23Fri5 years ago | 50th anniversary: The Rolling Stones released Sticky Fingers, the first album on their own label,...In 1971, The Rolling Stones released Sticky Fingers, the first album on their own label, Rolling Stones Records.History · Anniversaries · Wikipedia | – | annual | Wikipedia |
| National Independence & Children's Day (Turkey)A public holiday in Turkey, known locally as Ulusal Egemenlik ve Çocuk Bayramı.Holidays · Turkey · Turkey · Nager.Date | Turkey | annual | Nager.Date | |
| English Language DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| International Girls in ICT DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Spanish Language DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| World Book and Copyright DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Apr 20Tue5 years ago | DevOpsCon London 2021A four-day tech conference in London, United Kingdom.Tech · Conferences · to Apr 23 · London, United Kingdom · Independent | London, United Kingdom; Independent | annual | Independent |
| Mar 15Mon5 years ago | 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 23 · Orthodox Church in America | – | annual | Orthodox Church in AmericaComputed (rule) |
| Apr 22Thu5 years ago | Lyrids meteor shower peakUp to about 18 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 Mother Earth DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| First Day of Summer (Iceland)A public holiday in Iceland, known locally as Sumardagurinn fyrsti.Holidays · Iceland · Iceland · Nager.Date | Iceland | annual | Nager.Date | |
| International Day of Greening the PlanetA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Intel earnings (Q1 FY2021)Intel reported Q1 FY2021 results after the market closed.Economy · Earnings · Intel (INTC) · Earnings | Intel (INTC) | quarterly | Earnings | |
| Seagate earnings (Q3 FY2021)Seagate reported Q3 FY2021 results after the market closed.Economy · Earnings · Seagate (STX) · Earnings | Seagate (STX) | quarterly | Earnings | |
| Snap earnings (Q1 FY2021)Snap reported Q1 FY2021 results after the market closed.Economy · Earnings · Snap (SNAP) · Earnings | Snap (SNAP) | quarterly | Earnings | |
| SKILup Day: Agile Transformation 2021A tech conference, held online.Tech · Conferences · Online · Independent | Online; Independent | annual | Independent | |
| Apr 21Wed5 years ago | Groundation DayHaile Selassie’s visit to Jamaica on April 21, 1966.Religion · Rastafari · BBC Religions: Rastafari holy days | – | annual | BBC Religions: Rastafari holy daysComputed (rule) |
| Ram NavamiTentativeThe birth of Rama. Chaitra, Shukla 9. Regional dates can differ by a day.Religion · Hinduism · Wikipedia | – | annual | WikipediaComputed (rule) | |
| Tiradentes (Brazil)A public holiday in Brazil, known locally as Dia de Tiradentes.Holidays · Brazil · Brazil · Nager.Date | Brazil | annual | Nager.Date | |
| World Creativity and Innovation DayA United Nations international day.Observances · UN international days · United Nations | – | annual | United Nations | |
| Lam Research earnings (Q3 FY2021)Lam Research reported Q3 FY2021 results after the market closed.Economy · Earnings · Lam Research (LRCX) · Earnings | Lam Research (LRCX) | quarterly | Earnings | |
| Apr 13Tue5 years ago | 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 21 · Wikipedia | – | annual | WikipediaComputed (rule) |
| Apr 20Tue5 years ago | First Day of RidvanBaha’u’llah’s declaration in the Garden of Ridvan, 1863: the start of the twelve-day Festival of Ridvan. Begins at sunset the evening before.Religion · Baha’i · Baha’i World Centre | – | annual | Baha’i World CentreComputed (rule) |
| First quarter moonThe Moon is half lit (waxing).Sky · Moon phases · 1:59 am CT · NASA | – | monthly | NASAComputed (rule) | |