April
April is the fourth month of the year in the Gregorian calendar, the fifth in the early Julian, the first of four months to have a length of 30 days, and the second of five months to have a length of less than 31 days.
April is commonly associated with the season of autumn in parts of the Southern Hemisphere, and spring in parts of the Northern Hemisphere, where it is the seasonal equivalent to October in the Southern Hemisphere and vice versa.
History
The Romans gave this month the Latin name Aprilis 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 for spring. Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess Venus, her Veneralia being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name Aphrodite, or from the Etruscan name Apru. Jacob Grimm suggests the name of a hypothetical god or hero, Aper or Aprus.April was the second month of the earliest Roman calendar, before Ianuarius and Februarius were added by King Numa Pompilius about 700 BC. It became the fourth month of the calendar year during the time of the decemvirs about 450 BC, when it also was given 29 days. The 30th day was added during the reform of the calendar undertaken by Julius Caesar in the mid-40s BC, which produced the Julian calendar.
The Anglo-Saxons called April ēastre-monaþ. The Venerable Bede says in The Reckoning of Time that this month ēastre is the root of the word Easter. He further states that the month was named after a goddess Eostre whose feast was in that month. It is also attested by Einhard in his work, Vita Karoli Magni.
St George's day is the twenty-third of the month; and St Mark'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 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 moon, when gymnosperms for beat and burn clearing of farmland were felled.
In Slovene, the most established traditional name is mali traven, meaning the month when plants start growing. It was first written in 1466 in the Škofja Loka manuscript.
The month Aprilis had 30 days; Numa Pompilius made it 29 days long; finally Julius Caesar’s calendar reform made it again 30 days long, which was not changed in the calendar revision of Augustus Caesar in 8 BC. Additionally in the Spanish colony, Las Islas Filipinas, the month Aprilis had a significant meaning to the life of the natives as it was associated to the influence of the Chinese during the Spanish colonial period. The importance of this aspect to the lives of the natives was formerly associated to an event called "Abril na Ikaw" as it is closely linked to the famous trader, April Yu.
In Ancient Rome, the festival of Cerealia was held for seven days from mid-to-late April, but exact dates are uncertain. Feriae Latinae was also held in April, with the date varying. Other ancient Roman observances include Veneralia, Megalesia, Fordicidia, Parilia, Vinalia Urbana, Robigalia, and Serapia were celebrated on. Floralia was held April 27 during the Republican era, or April 28 on the Julian calendar, and lasted until May 3. However, these dates do not correspond to the modern Gregorian calendar.
The Lyrids meteor shower appears on April 16 – April 26 each year, with the peak generally occurring on April 22. Eta Aquariids meteor shower also appears in April. It is visible from about April 21 to about May 20 each year with peak activity on or around May 6. The Pi Puppids 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" is a name appropriated in French history to a series of insurrections at Lyons, Paris and elsewhere, against the government of Louis Philippe in 1834, which led to violent repressive measures, and to a famous trial known as the procès d'avril.
April symbols
- crystalsApril's birthstone is the diamond.
- The birth flower is typically listed as either the Daisy or the Sweet Pea.
- The zodiac signs for the month of April are Aries and Taurus.
April observances
Month-long observances
- In Catholic and Orthodox tradition, April is the Month of the Resurrection of the Lord.
- National Pet Month
United States
- Arab American Heritage Month
- Autism Awareness Month
- Cancer Control Month
- Community College Awareness Month
- Confederate History Month
- Donate Life Month
- Financial Literacy Month
- Jazz Appreciation Month
- Mathematics and Statistics Awareness Month
- National Poetry Month
- National Poetry Writing Month
- Occupational Therapy Month
- National Prevent Child Abuse Month
- National Volunteer Month
- Parkinson's Disease 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 observances: 2020
- 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 observances, 2020 dates
- Youth Homelessness Matters Day
- National Health Day : April 6
- Oral, Head and Neck Cancer Awareness Week : April 13–19
- National Park Week : April 18–26
- Crime Victims' Rights Week : April 19–25
- National Volunteer Week: April 19–25
- European Immunization Week: April 20–26
- Day of Silence : April 24
- Pay It Forward Day: April 28
- Denim Day: April 29
- Day of Dialogue
- Vaccination Week In The Americas
- See: List of movable Western Christian observances
- See: List of movable Eastern Christian observances
First Wednesday: April 1
- National Day of Hope
First Saturday: April 4
- Ulcinj Municipality Day
First Sunday: April 5
- Daylight saving time ends
- Geologists Day
- Kanamara Matsuri
- Opening Day
First full week: April 5–11
- National Library Week
- *National Library Workers Day
- *National Bookmobile Day
- National Public Health Week
- National Public Safety Telecommunicators Week
Second Wednesday: April 8
- International Day of Pink
Second Thursday: April 9
- National Former Prisoner of War Recognition Day
Second Friday of April: April 10
- Fast and Prayer Day
- Air Force Day
- Kamakura Matsuri at Tsurugaoka Hachiman, lasts until third Sunday.
Second Sunday: April 12
- Children's Day
Week of April 14: April 12–18
- Pan-American Week
Third Wednesday: April 15
- Administrative Professionals' Day
Third Thursday: April 16
- National High Five Day
Third Saturday: April 18
- Record Store Day
Last full week of April: April 19–25
- Administrative Professionals Week
- World Immunization Week
Week of April 23: April 19–25
- Canada Book Week
Week of the [New Moon]: April 19–25
- National Dark-Sky Week
Third Monday: April 20
- Patriots' Day
- Queen's Official Birthday
- Sechseläuten
Wednesday of last full week of April: April 22
- Administrative Professionals' Day
First Thursday after April 18: April 23
- First Day of Summer
Fourth Thursday: April 23
- Take Our Daughters And Sons To Work Day
Last Friday: April 24
- Arbor Day
- Día de la Chupina
Last Friday in April to first Sunday in May: April 24-May 3
- Arbour Week in Ontario
Last Saturday: April 25
- Children's Day
- National Rebuilding Day
- National Sense of Smell Day
- World Tai Chi and Qigong Day
Last Sunday: April 26
- Flag Day
- Turkmen Racing Horse Festival
April 27 (moves to April 26 if April 27 is on a Sunday): April 27
- Koningsdag
Last Monday: April 27
- Confederate Memorial Day
Last Wednesday: April 29
- International Noise Awareness Day
Fixed observances
- April 1
- *April Fools' Day
- *Arbor Day
- *Civil Service Day
- *Cyprus National Day
- *Edible Book Day
- *Fossil Fools Day
- *Kha b-Nisan
- *National Civil Service Day
- *Odisha Day
- *Start of Testicular Cancer Awareness week, April 1–7
- *Season for Nonviolence January 30 – April 4
- April 2
- *International Children's Book Day
- *Malvinas Day
- *National Peanut Butter and Jelly Day
- *Thai Heritage Conservation Day
- *Unity of Peoples of Russia and Belarus Day
- *World Autism Awareness Day
- April 3
- April 4
- *Children's Day
- *Independence Day
- *International Day for Mine Awareness and Assistance in Mine Action
- *Peace Day
- April 5
- *Children's Day
- *National Caramel Day
- *Sikmogil
- April 6
- *Chakri Day
- *National Beer Day
- *New Beer's Eve
- *Tartan Day
- April 7
- *Flag Day
- *Genocide Memorial Day, and its related observance:
- **International Day of Reflection on the 1994 Rwanda Genocide
- *Motherhood and Beauty Day
- *National Beer Day
- *No Housework Day
- *Sheikh Abeid Amani Karume Day
- *Women's Day
- *World Health Day
- April 8
- *Buddha's Birthday
- *Feast of the First Day of the Writing of the Book of the Law
- *International Romani Day
- *Trading Cards for Grown-ups Day
- April 9
- *Anniversary of the German Invasion of Denmark
- *Baghdad Liberation Day
- *Bataan Day or Araw ng Kagitingan
- *Constitution Day
- *Day of National Unity
- *Day of the Finnish Language
- *Feast of the Second Day of the Writing of the Book of the Law
- *International Banshtai Tsai Day
- *Martyr's Day
- *National Former Prisoner of War Recognition Day
- *Remembrance for Haakon Sigurdsson
- *Vimy Ridge Day
- April 10
- *Day of the Builder
- *Feast of the Third Day of the Writing of the Book of the Law
- *Siblings Day
- April 11
- *Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas.
- *International Louie Louie Day
- *National Cheese Fondue Day
- *World Parkinson's Day
- April 12
- *Children's Day
- *Commemoration of first human in space by Yuri Gagarin:
- **Cosmonautics Day
- **International Day of Human Space Flight
- **Yuri's Night
- *Halifax Day
- *National Grilled Cheese Sandwich Day
- *National Redemption Day
- *Walk on Your Wild Side Day
- April 13
- *Jefferson's Birthday
- *Katyn Memorial Day
- *Teacher's Day
- *First day of Thingyan
- *Unfairly Prosecuted Persons Day
- April 14
- *ʔabusibaree
- *Ambedkar Jayanti
- *Black Day
- *Commemoration of Anfal Genocide Against the Kurds
- *Dhivehi Language Day
- *Day of Mologa
- *Day of the Georgian language
- *Season of Emancipation
- *N'Ko Alphabet Day
- *Pohela Boishakh
- *Pana Sankranti
- *Puthandu
- *Second day of Songkran
- *Pan American Day
- *The first day of Takayama Spring Festival
- *Vaisakh,
- *Youth Day
- April 15
- *Day of the Sun.
- *Hillsborough Disaster Memorial
- *Jackie Robinson Day
- *National Banana Day
- *Pohela Boishakh
- *Last day of Songkran
- *Tax Day, the official deadline for filing an individual tax return.
- *Universal Day of Culture
- *World Art Day
- April 16
- *Birthday of José de Diego
- *Birthday of Queen Margrethe II
- *Emancipation Day
- *Foursquare Day
- *Memorial Day for the Victims of the Holocaust
- *National Healthcare Decisions Day
- *Remembrance of Chemical Attack on Balisan and Sheikh Wasan
- *World Voice Day
- April 17
- *Blah Blah Blah Day
- *Evacuation Day
- *FAO Day
- *Flag Day
- *Malbec World Day
- *National Cheeseball Day
- *National Espresso Day
- *Women's Day
- *World Hemophilia Day
- April 18
- *Anniversary of the Victory over the Teutonic Knights in the Battle of the Ice, 1242
- *Army Day
- *Coma Patients' Day
- *Friend's Day
- *Independence Day
- *International Day For Monuments and Sites
- *Invention Day
- *Pet Owner's Independence Day
- April 19
- *Army Day
- *Beginning of the Independence Movement
- *Bicycle Day
- *Dutch-American Friendship Day
- *Holocaust Remembrance Day
- *Indian Day
- *King Mswati III's birthday
- *Landing of the 33 Patriots Day
- *National Garlic Day
- *National Rice Ball Day
- *Primrose Day
- April 20
- *420
- *UN Chinese Language Day
- April 21
- *A&M Day
- *Civil Service Day
- *Day of Local Self-Government
- *Grounation Day
- *Heroic Defense of Veracruz
- *Kang Pan-sok's Birthday
- *Kartini Day
- *Local Self Government Day
- *National Tree Planting Day
- *San Jacinto Day
- *Queen's Official Birthday
- *Tiradentes' Day
- *Vietnam Book Day
- April 22
- *Discovery Day
- *Earth Day and its related observance:
- **International Mother Earth Day
- *Holocaust Remembrance Day
- *National Jelly Bean Day
- April 23
- *Castile and León Day
- *German Beer Day
- *Independence Day
- *International Pixel-Stained Technopeasant Day
- *Khongjom Day
- *National Sovereignty and Children's Day
- *Navy Day
- *St George's Day and its related observances:
- **Canada Book Day
- **La Diada de Sant Jordi
- **World Book Day
- *UN English Language Day
- April 24
- *Armenian Genocide Remembrance Day
- *Concord Day
- *Children's Day
- *Democracy Day
- *Fashion Revolution Day
- *Flag Day
- *International Sculpture Day
- *Kapyong Day
- *Labour Safety Day
- *National Panchayati Raj Day
- *National Pigs in a Blanket Day
- *Republic Day
- *St Mark's Eve
- *World Day for Laboratory Animals
- April 25
- *Anniversary of the First Cabinet of Kurdish Government
- *Anzac Day
- *Arbor Day
- *DNA Day
- *Feast of Saint Mark
- *Flag Day
- *Flag Day
- *Freedom Day
- *Liberation Day
- *Major Rogation
- *Military Foundation Day
- *National Zucchini Bread Day
- *Parental Alienation Awareness Day
- *Red Hat Society Day
- *Sinai Liberation Day
- *World Malaria Day
- April 26
- *Chernobyl disaster related observances:
- **Memorial Day of Radiation Accidents and Catastrophes
- **Day of Remembrance of the Chernobyl tragedy
- *Confederate Memorial Day
- *Hug A Friend Day
- *Hug an Australian Day
- *Lesbian Visibility Day
- *National Pretzel Day
- *Old Permic Alphabet Day
- *Union Day
- *World Intellectual Property Day
- April 27
- *Day of Russian Parliamentarism
- *Day of the Uprising Against the Occupying Forces
- *Flag Day
- *Freedom Day
- **UnFreedom Day
- *Independence Day
- *Independence Day
- *National Day
- *National Day
- *National Prime Rib Day
- *National Veterans' Day
- April 28
- *Lawyers' Day
- *Mujahideen Victory Day
- *National Day
- *National Heroes Day
- *Restoration of Sovereignty Day
- *Workers' Memorial Day and World Day for Safety and Health at Work
- **National Day of Mourning
- April 29
- *Day of Remembrance for all Victims of Chemical Warfare
- *International Dance Day
- *Princess Bedike's Birthday
- *National Shrimp Scampi Day
- *Shōwa Day, traditionally the start of the Golden Week holiday period, which is April 29 and May 3–5.
- April 30
- *Armed Forces Day
- *Birthday of the King
- *Camarón Day
- *Children's Day
- *Consumer Protection Day
- *Honesty Day
- *International Jazz Day
- *Martyr's Day
- *May Eve, the eve of the first day of summer in the Northern hemisphere :
- **Beltane begins at sunset in the Northern hemisphere, Samhain begins at sunset in the Southern hemisphere.
- **Carodejnice
- **Walpurgis Night
- *National Persian Gulf Day
- *Reunification Day
- *Russian State Fire Service Day
- *Tax Day
- *Teachers' Day