April is the fourth month of the year in the Gregorian and

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

s. Its length is 30 days. April is commonly associated with the season of

spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a he ...

in the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...

, and

autumn Autumn, also known as fall (especially in US & Canada), is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March ( Southern Hemisphe ...

in the Southern Hemisphere, where it is the seasonal equivalent to

October October is the tenth month of the year in the Julian and Gregorian calendars. Its length is 31 days. The eighth month in the old calendar of Romulus , October retained its name (from Latin and Greek ''ôctō'' meaning "eight") after Januar ...

in the Northern Hemisphere and vice versa.

History

The Romans gave this month the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

name ''

Aprilis ''Aprilis'' or ''mensis Aprilis'' (April) was the fourth month of the ancient Roman calendar in the classical period, following '' Martius'' (March) and preceding ''Maius'' (May). On the oldest Roman calendar that had begun with March, ''Aprilis' ...

''"April" in ''

Chambers's Encyclopædia ''Chambers's Encyclopaedia'' was founded in 1859Chambers, W. & R"Concluding Notice"in ''Chambers's Encyclopaedia''. London: W. & R. Chambers, 1868, Vol. 10, pp. v–viii. by William and Robert Chambers of Edinburgh and became one of the most ...

''. London:

George Newnes Sir George Newnes, 1st Baronet (13 March 1851 – 9 June 1910) was a British publisher and editor and a founding figure in popular journalism. Newnes also served as a Liberal Party Member of Parliament for two decades. His company, George Newne ...

, 1961, Vol. 1, p. 497. but the derivation of this name is uncertain. The traditional etymology is from the verb ''aperire'', "to open", in allusion to its being the season when trees and flowers begin to "open", which is supported by comparison with the modern Greek use of άνοιξη (''ánixi'') (opening) for spring. Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess

Venus Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" planet for having almost the same size and mass, and the closest orbit to Earth's. While both are rocky planets, Venus has an atmosphere much thicker ...

, her

Veneralia The Veneralia was an ancient Roman festival celebrated April 1 (the Kalends of ''Aprilis'') in honor of Venus Verticordia ("Venus the changer of hearts") and Fortuna Virilis ("Manly" or "Virile Fortune"). The cult of Venus Verticordia was esta ...

being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name

Aphrodite Aphrodite (, ) is an Greek mythology, ancient Greek goddess associated with love, lust, beauty, pleasure, passion, procreation, and as her syncretism, syncretised Roman counterpart , desire, Sexual intercourse, sex, fertility, prosperity, and ...

(''Aphros''), or the

Etruscan __NOTOC__ Etruscan may refer to: Ancient civilization *Etruscan civilization (1st millennium BC) and related things: **Etruscan language ** Etruscan architecture **Etruscan art **Etruscan cities **Etruscan coins **Etruscan history **Etruscan myt ...

name ''

Apru The Association of Pacific Rim Universities (APRU) is a consortium of 62 universities in 18 economies of the Pacific Rim. Formed in 1997,

''.

Jacob Grimm Jacob Ludwig Karl Grimm (4 January 1785 – 20 September 1863), also known as Ludwig Karl, was a German author, linguist, philologist, jurist, and folklorist. He formulated Grimm's law of linguistics, and was the co-author of the ''Deutsch ...

suggests the name of a hypothetical god or hero, ''Aper'' or ''Aprus''. April was the second month of the earliest

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46&nbs ...

, before ''

Ianuarius , ("January"), or in full , abbreviated , was the first month of the Roman calendar, ancient Roman calendar, from which the Julian calendar, Julian and Gregorian calendar, Gregorian month of January derived. It was followed by ''Februarius'' (" ...

'' and ''

Februarius ''Februarius'', fully ''Mensis Februarius'' ("month of Februa"), was the shortest month of the Roman calendar from which the Julian calendar, Julian and Gregorian calendar, Gregorian month of February derived. It was eventually placed second in ...

'' were added by King

Numa Pompilius Numa Pompilius (; 753–672 BC; reigned 715–672 BC) was the Roman mythology, legendary second king of Rome, succeeding Romulus after a one-year interregnum. He was of Sabine origin, and many of Rome's most important religious and political ins ...

about 700 BC. It became the fourth month of the calendar year (the year when twelve months are displayed in order) during the time of the

decemvirs The decemviri or decemvirs (Latin for "ten men") refer to official ten-man commissions established by the Roman Republic. The most important were those of the two decemvirates, formally the decemvirate with consular power for writing laws () w ...

about 450 BC, when it was 29 days long. The 30th day was added back during the reform of the calendar undertaken by

Julius Caesar Gaius Julius Caesar (12 or 13 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caesar's civil wa ...

in the mid-40s BC, which produced the Julian calendar. The

Anglo-Saxons The Anglo-Saxons, in some contexts simply called Saxons or the English, were a Cultural identity, cultural group who spoke Old English and inhabited much of what is now England and south-eastern Scotland in the Early Middle Ages. They traced t ...

called April ''ēastre-monaþ''. The

Venerable Bede Bede (; ; 672/326 May 735), also known as Saint Bede, Bede of Jarrow, the Venerable Bede, and Bede the Venerable (), was an English monk, author and scholar. He was one of the most known writers during the Early Middle Ages, and his most fa ...

says in ''

The Reckoning of Time ''The Reckoning of Time'' (, CPL 2320) is an English era treatise written in Medieval Latin by the Northumbrian monk Bede in 725. Background In mid-7th-century Anglo-Saxon England, there was a desire to see the Easter season less closel ...

'' that this month ''ēastre'' is the root of the word

Easter Easter, also called Pascha ( Aramaic: פַּסְחָא , ''paskha''; Greek: πάσχα, ''páskha'') or Resurrection Sunday, is a Christian festival and cultural holiday commemorating the resurrection of Jesus from the dead, described in t ...

. He further states that the month was named after a goddess '' Eostre'' whose feast was in that month. It is also attested by

Einhard Einhard (also Eginhard or Einhart; ; 775 – 14 March 840) was a Franks, Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the ''Vita Karoli M ...

in his work ''

Vita Karoli Magni ''Vita Karoli Magni'' (''Life of Charlemagne'') is a biography of Charlemagne, King of the Franks and Holy Roman Emperor, Emperor of the Romans, written by Einhard.Ogg, p. 109 The ''Life of Charlemagne'' is a 33 chapter account starting with th ...

''.

St George Saint George (;Geʽez: ጊዮርጊስ, , ka, გიორგი, , , died 23 April 303), also George of Lydda, was an early Christian martyr who is venerated as a saint in Christianity. According to holy tradition, he was a soldier in the R ...

's day is the twenty-third of the month; and

St Mark Mark the Evangelist (Koine Greek, Koinē Greek: Μᾶρκος, romanized: ''Mârkos''), also known as John Mark (Koine Greek, Koinē Greek language, Greek: Ἰωάννης Μᾶρκος, Romanization of Greek, romanized: ''Iōánnēs Mârkos;'' ...

's Eve, with its superstition that the ghosts of those who are doomed to die within the year will be seen to pass into the church, falls on the twenty-fourth. In

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

the symbolic ploughing of the earth by the emperor and princes of the blood took place in their third month, which frequently corresponds to April. In Finnish, April is ''huhtikuu'', meaning ''

slash-and-burn Slash-and-burn agriculture is a form of shifting cultivation that involves the cutting and burning of plants in a forest or woodland to create a Field (agriculture), field called a swidden. The method begins by cutting down the trees and woody p ...

moon'', when

gymnosperm The gymnosperms ( ; ) are a group of woody, perennial Seed plant, seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include Pinophyta, conifers, cycads, Ginkgo, and gnetoph ...

s for beat and burn clearing of farmland were felled. In Slovene, the most established traditional name is ''mali traven'', the month when plants start growing. It was first written in 1466 in the Škofja Loka manuscript. The month April originally had 30 days;

made it 29 days long; finally,

's calendar reform made it 30 days long again, which was not changed in the calendar revision of

Augustus Caesar Gaius Julius Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian (), was the founder of the Roman Empire, who reigned as the first Roman emperor from 27 BC until his death in A ...

in 8 BC. In

Ancient Rome In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Em ...

, the festival of

Cerealia In ancient Roman religion, the Cerealia was the major festival celebrated for the grain goddess Ceres. It was held for seven days from mid- to late April. Various agricultural festivals were held in the "last half of April". The Cerealia celebra ...

was held for seven days from mid-to-late April, but exact dates are still being determined.

Feriae Latinae The ''Feriae Latinae'' or Latin Festival was an ancient Roman religious festival held in April on the Alban Mount. The date varied, and was determined and announced by the consuls each year when they took office. It was one of the most ancient ...

was also held in April, with the date varying. Other ancient Roman observances include

(April 1),

Megalesia The Megalesia, Megalensia, or Megalenses Ludi was a festival celebrated in ancient Rome from April 4 to April 10, in honour of Cybele, whom the Romans called ''Magna Mater'' ("Great Mother"). The name of the festival derives from Greek ''megalē' ...

(April 10–16),

Fordicidia In ancient Roman religion, the Fordicidia was a festival of fertility, held on the Ides of April (April 15), that pertained to farming and animal husbandry. It involved the sacrifice of a pregnant cow to Tellus, the ancient Roman goddess of the ...

(April 15),

Parilia ''Festa di Pales, o L'estate'' (1783), a reimagining of the Festival of Pales by Joseph-Benoît Suvée The Parilia or Palilia was an ancient Roman festival of rural character performed annually on 21 April, aimed at cleansing both sheep and she ...

(April 21), Vinalia Urbana (April 23),

Robigalia The Robigalia was a festival in ancient Roman religion held April 25, named for the god Robigus. Its main ritual was a dog sacrifice to protect grain fields from disease. Games (''ludi'') in the form of "major and minor" races were held. The Rob ...

(April 25), and

Serapia The Serapia or Sarapia was a Roman Empire, Roman Imperial Roman festival, religious festival devoted to the Greco-Egyptian god Serapis. It is found as an official holiday on 25 April as late as the Calendar of Filocalus in 354 AD. In farmers' alm ...

(April 25).

Floralia The Floralia was a Roman festival, festival of Religion in ancient Rome, ancient Roman religion in honor of the Flora (mythology), goddess Flora, held on 27 April during the Roman Republic, Republican era, or 28 April in the Julian calendar. The ...

was held April 27 during the

Republican era Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...

, or April 28 on the

, and lasted until May 3. However, these dates do not correspond to the modern

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull issued by Pope Gregory XIII, which introduced it as a modification of, and replacement for, the Julian cale ...

. The

Lyrids The April Lyrids are a meteor shower lasting from about April 15 to April 29 each year. The Radiant (meteor shower), radiant of the meteor shower is located near the constellations Lyra and Hercules (constellation), Hercules, near the bright sta ...

meteor shower A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at ext ...

appears on April 16 – April 26 each year, with the peak generally occurring on April 22. The

Eta Aquariids The Eta Aquariids are a meteor shower associated with Halley's Comet. The shower is visible from about April 19 to about May 28 each year with peak activity on or around May 5. Unlike most major annual meteor showers, there is no sharp peak fo ...

meteor shower also appears in April. It is visible from April 21 to May 20 each year, with peak activity on or around May 6. The

Pi Puppids The pi Puppids are a meteor shower associated with the comet 26P/Grigg-Skjellerup. The meteoroid streams approach the Sun at around 37 km/s and have to overtake Earth that is orbiting the Sun at 30 km/s, resulting in atmospheric entry at a rela ...

appear on April 23, but only in years around the parent comet's perihelion date. The Virginids also shower at various dates in April. The "Days of April" (''journées d'avril'') is a name assigned in French history to a July Monarchy#April 1834 insurrections, series of insurrections at Lyons, Paris and elsewhere, against the government of Louis-Philippe of France, Louis Philippe in 1834, which led to violent repressive measures, and to a famous trial known as the ''procès d'avril''.

Symbols

April's birthstone is the diamond (gemstone), diamond. The birth flower is the common daisy ''(Bellis perennis)'' or the sweet pea. The zodiac signs are Aries (astrology), Aries (until April 19) and Taurus (astrology), Taurus (April 20 onward). Signs in UT/GMT for 1950–2030. Daisy ntgr

Observances

''This list does not necessarily imply official status or general observance.''

Month-long

* In Catholic Church, Catholic, Protestantism, Protestant and Eastern Orthodox Church, Orthodox Christian tradition, tradition, April is the Month of the Resurrection of Jesus, Resurrection of the Lord. April and March are the months in which the moveable Religious festival, Feast of Easter Sunday is celebrated. * National Pet Month (UK)

United States

* Arab Americans#Arab American Heritage Month, Arab American Heritage Month * Autism Awareness Month * Cancer Control Month * Community colleges in the United States, Community College Awareness Month * Confederate History Month (Alabama, Florida, Georgia (U.S. State), Georgia, Louisiana, Mississippi, Texas, Virginia) * Financial Literacy Month * Jazz Appreciation Month * Joint Policy Board for Mathematics, Mathematics and Statistics Awareness Month * Military brat (U.S. subculture), Month of the Military Child * National Poetry Month * National Poetry Writing Month * American Occupational Therapy Association, Occupational Therapy Month * List of observances in the United States by presidential proclamation#Annual special months recognized by presidential proclamation, National Prevent Child Abuse Month * National Volunteer Month * Parkinson's Disease Foundation#Parkinson's Advocates in Research, Parkinson's Disease Awareness Month * Rosacea Awareness Month * Sexual Assault Awareness Month

United States food months

* Fresh Florida Tomato Month * National Food Month * National Grilled Cheese Month * National Pecan Month * National Soft Pretzel Month * National Soyfoods Month

Non-Gregorian

''(All Baha'i, Islamic, and Jewish observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted.)'' * List of observances set by the Bahá'í calendar * List of observances set by the Chinese calendar * List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Movable

Variable; 2021 dates shown

* Youth Homelessness Matters Day * Public holidays in Kiribati, National Health Day (Kiribati): April 6 * Head and Neck Cancer Alliance#Oral, Head and Neck Cancer Awareness Week, Oral, Head and Neck Cancer Awareness Week (United States): April 13–19 * List of observances in the United States by presidential proclamation#Annual special weeks recognized by presidential proclamation, National Park Week (United States): April 18–26 * Crime Victims' Rights Week (United States): April 19–25 * National Volunteer Week: April 19–25 * European Immunization Week: April 20–26 * Day of Silence (United States): April 24 * Pay it forward#1999 novel, film and subsequent projects, Pay It Forward Day: April 28 (International observance) * Denim Day: April 29 (International observance) * Day of Dialogue (United States) * Vaccination Week In The Americas * See: List of movable Western Christian observances * See: List of movable Eastern Christian observances

First Wednesday

* Childhelp#Community outreach, National Day of Hope (United States)

First Saturday

* Ulcinj Municipality Day (Ulcinj, Montenegro)

First Sunday

* Daylight saving time ends (Australia and New Zealand) * Geologists Day (former Soviet Union countries) * Kanamara Matsuri (Kawasaki, Kanagawa, Kawasaki, Japan) * Opening Day (United States)

First full week

* National Library Week (United States) ** National Library Week, National Library Workers Day (United States) (Tuesday of National Library week, April 9 in 2024) ** Bookmobile#National Bookmobile Day, National Bookmobile Day (Wednesday of National Library week, April 10 in 2024) * American Public Health Association#National Public Health Week, National Public Health Week (United States) * Association of Public-Safety Communications Officials-International#Events, National Public Safety Telecommunicators Week (United States)

= Second Wednesday

= * International Day of Pink

= Second Thursday

= * National Former Prisoner of War Recognition Day (United States)

= Second Friday

= * Public holidays in Liberia, Fast and Prayer Day (Liberia) * Public holidays in Russia#Popular holidays which are not public holidays, Air Force Day (Russia) * List of festivals and events in Kamakura#April, Kamakura Matsuri at Tsurugaoka Hachiman (Kamakura, Japan), lasts until third Sunday.

Second Sunday

* Children's Day#Peru, Children's Day (Peru)

Week of April 14

* Pan American Day, Pan American Week (United States)

Third Wednesday

* Administrative Professionals Day (New Zealand)

Third Thursday

* National High Five Day (United States)

Third Saturday

* Record Store Day (International observance)

Last full week of April

* Administrative Professionals Day, Administrative Professionals Week (Malaysia, North America) * World Immunization Week

Week of April 23

* Canada Book Day, Canada Book Week (Canada)

Week of the new moon

* International Dark Sky Week (United States)

Third Monday

* Patriots' Day (Massachusetts, Maine, United States) * Queen's Official Birthday#Other countries and territories, Queen's Official Birthday (Saint Helena, Ascension and Tristan da Cunha) * Sechseläuten (Zurich, Switzerland)

= Wednesday of last full week of April

= * Administrative Professionals Day (Hong Kong, North America)

First Thursday after April 18

* First Day of Summer (Iceland)

= Fourth Thursday

= * Take Our Daughters and Sons to Work Day (United States)

= Last Friday

= * Arbor Day (United States) * Día de la Chupina (Rosario, Argentina)

Last Friday in April to first Sunday in May

* Arbor Day, Arbour Week in Ontario

= Last Saturday

= * Children's Day (Colombia) * Rebuilding Together#National Rebuilding Day, National Rebuilding Day (United States) * The Fragrance Foundation#National Sense of Smell Day, National Sense of Smell Day (United States) * World Tai Chi and Qigong Day

= Last Sunday

= * Flag Day (Åland, Finland) * Public holidays in Turkmenistan, Turkmen Racing Horse Festival (Turkmenistan)

= April 27 (April 26 if April 27 is a Sunday)

= * Koningsdag (Netherlands)

= Last Monday

= * Confederate Memorial Day (Alabama, Georgia (U.S. state), and Mississippi, United States)

= Last Wednesday

= * International Noise Awareness Day

Fixed

* April 1 ** April Fools' Day ** Arbor Day#Tanzania, Arbor Day (Tanzania) ** Civil Service Day (Thailand) ** Public holidays in Cyprus, Cyprus National Day (Cyprus) ** Edible Book Day ** Fossil Fools Day ** Kha b-Nisan (Assyrian people) ** National Science Day (Thailand), National Civil Service Day (Thailand) ** Odisha Day (Odisha, India) ** Start of National Prostate Health Month#Related observances, Testicular Cancer Awareness week (United States), April 1–7 ** Season for Nonviolence January 30 – April 4 * April 2 ** International Children's Book Day (International observance) ** Malvinas Day (Argentina) ** List of food days#April, National Peanut Butter and Jelly Day (United States) ** Thai Heritage Conservation Day (Thailand) ** Unity of Peoples of Russia and Belarus Day (Belarus) ** World Autism Awareness Day (International observance) * April 3 * April 4 ** Children's Day (Hong Kong, Taiwan) ** Independence Day (Senegal) ** International observance#April, International Day for Mine Awareness and Assistance in Mine Action ** Peace Day (Angola) * April 5 ** Children's Day (Palestinian territories) ** List of food days#April, National Caramel Day (United States) ** Sikmogil (South Korea) * April 6 ** Public holidays in Thailand, Chakri Day (Thailand) ** National Beer Day (United Kingdom) ** New Beer's Eve (United States) ** Tartan Day (United States & Canada) * April 7 ** Flag Day (Slovenia) ** Genocide Memorial Day (Rwanda), and its related observance: *** International Day of Reflection on the 1994 Rwanda Genocide (United Nations) ** Motherhood and Beauty Day (Armenia) ** National Beer Day (United States) ** Sheikh Abeid Amani Karume Day (Tanzania) ** Public holidays in Mozambique, Women's Day (Mozambique) ** World Health Day (International observance) * April 8 ** Buddha's Birthday (Japan only, other countries follow different calendars) ** Feast of the Third Day of the Writing of the Book of the Law, Feast of the First Day of the Writing of the Book of the Law (Thelema) ** International Romani Day (International observance) * April 9 ** Anniversary of the German Invasion of Denmark (Denmark) ** Baghdad Liberation Day (Iraqi Kurdistan) ** Constitution Day (Kosovo) ** Day of National Unity (Georgia) ** Day of the Finnish Language (Finland) ** Day of Valor or ''Araw ng Kagitingan'' (Philippines) ** Feast of the Second Day of the Writing of the Book of the Law (Thelema) ** List of food days#Global or international, International Banshtai Tsai Day ** Martyr's Day (Tunisia) ** National Former Prisoner of War Recognition Day (United States) ** Ásatrú holidays#The Troth, Remembrance for Haakon Sigurdsson (The Troth) ** Vimy Ridge Day (Canada) * April 10 ** Day of the Builder (Azerbaijan) ** Feast of the Third Day of the Writing of the Book of the Law (Thelema) ** Siblings Day (International observance) * April 11 ** Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas. (Costa Rica) ** International Louie Louie Day ** List of food days#April, National Cheese Fondue Day (United States) ** World Parkinson's Day * April 12 ** Children's Day (Bolivia and Haiti) ** Commemoration of first human in space by Yuri Gagarin: *** Cosmonautics Day (Russia) *** International Day of Human Space Flight *** Yuri's Night (International observance) ** Halifax Day (North Carolina) ** List of food days#April, National Grilled Cheese Sandwich Day (United States) ** National Redemption Day (Liberia) * April 13 ** Jefferson's Birthday (United States) ** Coma Patients' Day, Katyn Memorial Day (Poland) ** Teachers' Day#Dates by country/region, Teachers' Day (Ecuador) ** First day of Thingyan (Myanmar) (April 13–16) ** Remembrance days in Slovakia, Unfairly Prosecuted Persons Day (Slovakia) * April 14 ** Okinawan festivals and observances, ʔabusibaree (Okinawa Islands, Japan) ** B. R. Ambedkar, Ambedkar Jayanti (India) ** Black Day (South Korea) ** Commemoration of Anfal Genocide Against the Kurds (Iraqi Kurdistan) ** Dhivehi Language Day (Maldives) ** Day of Mologa (Yaroslavl Oblast, Russia) ** Day of the Georgian language (Georgia (country)) ** Emancipation Day, Season of Emancipation (April 14 to August 23) (Barbados) ** N'Ko Alphabet Day (Mande languages, Mande speakers) ** Pohela Boishakh (Bangladesh) ** Pana Sankranti (Odisha, India) ** Puthandu (Tamils) (India, Malaysia, Singapore, Sri Lanka) ** Second day of Songkran (Thailand), Songkran (Thailand) ** Pan American Day (several countries in the Americas) ** The first day of Takayama Festival, Takayama Spring Festival (Takayama, Gifu, Japan) ** Vaisakh (Punjab (region), Punjab), (India and Pakistan) ** Youth Day (Angola) * April 15 ** Day of the Sun (North Korea). ** Hillsborough disaster#Memorials, Hillsborough Disaster Memorial (Liverpool, England) ** Jackie Robinson Day (United States) ** Pohela Boishakh (West Bengal, India) (Note: celebrated on April 14 in Bangladesh) ** Last day of Songkran (Thailand), Songkran (Thailand) ** Tax Day, the official deadline for filing an individual Tax return (United States), tax return (or requesting an extension). (United States, Philippines) ** Universal Day of Culture ** World Art Day * April 16 ** Birthday of José de Diego (Puerto Rico, United States) ** Birthday of Queen Margrethe II (Denmark) ** Emancipation Day (Washington, D.C., United States) ** Foursquare Day (International observance) ** Memorial Day for the Victims of the Holocaust (Hungary) ** List of awareness days#April, National Healthcare Decisions Day (United States) ** Remembrance of Chemical Attack on Balisan and Sheikh Wasan (Iraqi Kurdistan) ** World Voice Day * April 17 ** Evacuation Day (Syria) ** FAO Day (Iraq) ** Flag Day (American Samoa) ** Malbec World Day ** List of food days#April, National Cheeseball Day (United States) ** List of food days#Italy, National Espresso Day (Italy) ** Public holidays in Gabon, Women's Day (Gabon) ** World Hemophilia Day * April 18 ** Anniversary of the Victory over the Teutonic Knights in the Battle of the Ice, 1242 (Russia) ** Army Day (Iran) ** Coma Patients' Day (Poland) ** Día del Amigo, Friend's Day (Brazil) ** Independence Day (Zimbabwe) ** International Day For Monuments and Sites ** Invention Day (Japan) * April 19 ** Army Day (Brazil) ** Beginning of the Independence Movement (Venezuela) ** History of lysergic acid diethylamide#"Bicycle Day", Bicycle Day ** Dutch-American Friendship Day (United States) ** Holocaust Remembrance Day (Poland) ** Indigenous Peoples Day (Brazil), Indigenous Peoples Day (Brazil) ** King Mswati III's birthday (Eswatini) ** Landing of the 33 Patriots Day (Uruguay) ** List of food days#April, National Garlic Day (United States) ** List of food days#April, National Rice Ball Day (United States) ** Primrose Day (United Kingdom) * April 20 ** 420 (cannabis culture) (International) ** UN Chinese Language Day (United Nations) * April 21 ** Natale di Roma(Italy) ** Muster (Texas A&M University)#A. and M. Day, A&M Day (Texas A&M University) ** Civil Services of India#Civil Services Day, Civil Service Day (India) ** Public holidays in Russia#Regional public holidays, Day of Local Self-Government (Russia) ** Grounation Day (Rastafari movement) ** Public holidays in Mexico#Civic holidays, Heroic Defense of Veracruz (Mexico) ** Public holidays in North Korea, Kang Pan-sok's Birthday (North Korea) ** Kartini Day (Indonesia) ** Public holidays in Russia, Local Self Government Day (Russia) ** Arbor Day#Kenya, National Tree Planting Day (Kenya) ** San Jacinto Day (Texas) ** Queen's Official Birthday#Other countries and territories, Queen's Official Birthday (Falkland Islands) ** Public holidays in Brazil, Tiradentes' Day (Brazil) ** Vietnam Book Day (Vietnam) * April 22 ** Discovery Day (Brazil) ** Earth Day (International observance) and its related observance: *** International Mother Earth Day ** Holocaust Memorial Days, Holocaust Remembrance Day (Serbia) ** List of food days#April, National Jelly Bean Day (United States) * April 23 ** Castile and León Day (Castile and León, Spain) ** German Apples Day, German Beer Day (Germany) ** Conch Republic, Independence Day (Conch Republic, Key West, Florida) ** International Pixel-Stained Technopeasant Day ** Khongjom Day (Manipur, India) ** National Sovereignty and Children's Day (Turkey and Northern Cyprus) ** Navy Day (China) ** St George's Day (England) and its related observances: *** Canada Book Day (Canada) *** St George's Day#Catalonia, La Diada de Sant Jordi (Catalonia, Spain) *** World Book Day ** UN English Language Day (United Nations) * April 24 ** Armenian Genocide Remembrance Day (Armenia) ** Concord Day (Niger) ** Children's Day (Zambia) ** Democracy Day (Nepal) ** Fashion Revolution Day ** Flag Day (Ireland) ** International Sculpture Day ** Kapyong Day (Australia) ** Labour Day#Bangladesh, Labour Safety Day (Bangladesh) ** National Panchayati Raj Day (India) ** List of food days#April, National Pigs in a Blanket Day (United States) ** Republic Day (The Gambia) ** St Mark's Eve (Western Christianity) ** World Day for Laboratory Animals * April 25 ** Anniversary of the First Cabinet of Kurdish Government (Iraqi Kurdistan) ** Anzac Day (Australia, New Zealand) ** Arbor Day (Germany) ** DNA Day ** Feast of Saint Mark (Western Christianity) ** Flag Day (Faroe Islands) ** Public holidays in Eswatini, Flag Day (Eswatini) ** Freedom Day (Portugal) ** Liberation Day (Italy) ** Rogation Day, Major Rogation (Western Christianity) ** Military Foundation Day (North Korea) ** List of food days#April, National Zucchini Bread Day (United States) ** Parental Alienation Awareness Day ** Red Hat Society Day ** Sinai Liberation Day (Egypt) ** World Malaria Day * April 26 ** Chernobyl disaster related observances: *** International Duties Memorial Day, Memorial Day of Radiation Accidents and Catastrophes (Russia) *** Day of Remembrance of the Chernobyl tragedy (Belarus) ** Confederate Memorial Day (Florida, United States) ** Hug A Friend Day ** Lesbian Visibility Day ** List of food days#April, National Pretzel Day (United States) ** Old Permic alphabet, Old Permic Alphabet Day ** Union Day (Tanzania) ** World Intellectual Property Day * April 27 ** Public holidays in Russia, Day of Russian Parliamentarism (Russia) ** Day of the Uprising Against the Occupying Forces (Slovenia) ** Flag Day (Moldova) ** Freedom Day (South Africa) *** UnFreedom Day ** Independence Day (Sierra Leone) ** Public holidays in Togo, Independence Day (Togo) ** National Day (Mayotte) ** National Day (Sierra Leone) ** List of food days#April, National Prime Rib Day (United States) ** Flag flying days in Finland, National Veterans' Day (Finland) * April 28 ** Lawyers' Day (Orissa, India) ** Mujahideen Victory Day (Afghanistan) ** National Day (Sardinia, Italy) ** National Heroes Day (Barbados), National Heroes Day (Barbados) ** Restoration of Sovereignty Day (Japan) ** Workers' Memorial Day, Workers' Memorial Day and World Day for Safety and Health at Work (International observances, international) *** National Day of Mourning (Canada), National Day of Mourning (Canada) * April 29 ** Day of Remembrance for all Victims of Chemical Warfare (United Nations) ** International Dance Day (UNESCO) ** Public holidays in Denmark#Other special days, Princess Bedike's Birthday (Denmark) ** List of food days#April, National Shrimp Scampi Day (United States) ** Shōwa Day, traditionally the start of the Golden Week (Japan), Golden Week holiday period, which is April 29 and May 3–5. (Japan) * April 30 ** Armed Forces Day (Georgia (country)) ** Flag flying days in Sweden, Birthday of the King (Sweden) ** Battle of Camarón, Camarón Day (French Foreign Legion) ** Children's Day (Mexico) ** Public holidays in Thailand, Consumer Protection Day (Thailand) ** Honesty Day (United States) ** International Jazz Day (UNESCO) ** Martyrs' Day (Pakistan), Martyrs' Day (Pakistan) ** May Eve, the eve of the first day of summer in the Northern hemisphere ''(see May 1)'': *** Beltane begins at sunset in the Northern hemisphere, Samhain begins at sunset in the Southern hemisphere. (Neo-Druidism, Neo-Druidic Wheel of the Year) *** Carodejnice (Czech Republic and Slovakia) *** Walpurgis Night (Central and Northern Europe) ** Persian Gulf naming dispute#National Persian Gulf Day, National Persian Gulf Day (Iran) ** Reunification Day (Vietnam) ** Public holidays in Russia#Popular holidays which are not public holidays, Russian State Fire Service Day (Russia) ** Tax return (Canada), Tax Day (Canada) ** Teachers' Day (Paraguay)

References

External links

National Arbor Day Foundation
{{Authority control April, Months, *04