April observances

Riḍván (; Bahá'í orthography: Rezván, ) is a twelve-day festival in the Bahá'í Faith commemorating Bahá'u'lláh's declaration that he was a Manifestation of God. In the Bahá'í calendar, it begins at sunset on the 13th of Jalál, which translates to the 20th or 21 April, depending on the date of the March equinox (exactly one month on the Gregorian calendar after the equinox). In 2025, it begins in the evening of 20 April. On the first, ninth and twelfth days of Ridván, work and school should be suspended.

holiday honouring relationships of siblings

is celebrated every April 20

Puthandu (), also known as Tamil New Year (), is the first day of year on the Tamil calendar that is traditionally celebrated as a festival by Tamils. The festival date is set with the solar cycle of the solar Hindu calendar, as the first day of the month of Chittirai. It falls on or about 14 April every year on the Gregorian calendar. The same day is observed elsewhere in South and South East Asia as the traditional new year, but it is known by other names such as Vishu in Kerala, Bisu Parba in Tulunadu, and Vaisakhi or Baisakhi in central and northern India.

Auspicious day of Hindu Tradition

Japanese annual holiday

Vietnamese festival

holiday celebrated on April 25

public holiday

public holiday in South Africa

International celebration of fine art, April 15

birthday of B. R. Ambedkar, festival and holiday

Engineers Day all over the world

thumb|upright|Seated Ceres from Emerita Augusta, present-day [[Mérida, Spain]] 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 celebrated the harvest, and may have begun on the 19th. Surviving descriptions of Rome's city festival of Ceres are presumably urban versions of an originally rustic, agricultural festival. In his treatise on agriculture, Cato the Elder recommends that farmers sacrifice a sow (porca

thumb|''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 shepherd. It was carried out in acknowledgment to the Roman deity Pales, a deity of uncertain gender who was a patron of shepherds and sheep.

Catholic solemnity celebrated on the second Sunday of Easter

Iranian holiday

civic holiday in the USA

Annual Turkish national holiday

day dedicated to the youths of a country

Marathi Hindu new year festival

Vishu (Malayalam: വിഷു) is a Malayali festival celebrating the Malayali New Year in Kerala, Tulu Nadu, and Mahe of India. Vishu falls on the first day of the month of Medam, the first month of the Solar calendar used in Malabar of Kerala, (April 14 or 15 in the Gregorian calendar), signifying the solar new year as the sun moves into the zodiac sign of Aries. It is the traditional new year, while the Kollam era calendar, which was later formed at Kollam in 825 CE, new year falls on the 1st Chingham (August 16 or 17).

public holiday in Commonwealth realms

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 Robigalia was one of several agricultural festivals in April to celebrate and vitalize the growing season, but the darker sacrificial elements of these occasions are also fraught with anxiety about crop failure and the dependence on divine favor to avert it.

annual holiday

Day celebrating the birth of Mahavira, 24th and the last Tirthankara of Jainism

Thingyan, also known as the Myanmar New Year, is a festival that usually occurs in the middle of April. Thingyan marks the transition from the old year to the new one, based on the traditional Myanmar lunisolar calendar. The festival usually spans four to five days, culminating in New Year’s Day, and is one of the most anticipated public holidays across the country. The highlight of the celebration is the symbolic throwing of water, representing the washing away of sins and bad luck from the previous year. People engage in water fights using buckets and water guns, especially during the first

The Vinalia were Roman festivals of the wine harvest, wine vintage and gardens, held in honour of Jupiter and Venus. The Vinalia prima ("first Vinalia"), also known as the Vinalia urbana ("Urban Vinalia") was held on 23 April to bless and sample last year's wine and ask for good weather until the next harvest. The Vinalia rustica ("Rustic Vinalia") was on 19 August, before the harvest and grape-pressing.

East Asian holiday in April, in which the lighting of fire is avoided, including for the preparation of food

The traditional Chinese calendar divides a year into 24 solar terms. Chūnfēn, Shunbun, Chunbun, or Xuân phân is the 4th solar term. It begins when the Sun reaches the celestial longitude of 0° and ends when it reaches the longitude of 15°. In the Gregorian calendar, it usually begins around 20 March and ends around 4 April (5 April East Asia time). It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 0°.

public holiday in Vietnam marks the date of the Fall of Saigon

New Year celebration in Southeast Asia

informal holiday oriented toward single people in South Korea

annual observance on 4 April

public holiday in various countries to commemorate a liberation

annual event for promoting public understanding of quantum science and technology

local Development Committee in Jericho Governorate and Muslim holy site

Holiday celebrated in mid-April

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 (μϵγάλη), meaning "great". The festival was one of several on the Roman calendar celebrated with ludi, games and performances.

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 Earth, in proximity to the festival of Ceres (Cerealia) on April 19.

world day

Annual religious festival in ancient Rome

International observance, 22 April

fifth Sunday in Lent

The Sechseläuten (Zürich German: Sächsilüüte, "The six o'clock ringing of the bells") is a traditional spring holiday in the Swiss city of Zürich celebrated in its current form, usually on the 3rd Monday of April, since the early 20th century.

Sankranti () refers to the transmigration of the sun from one zodiac to another in Indian astronomy. In Saurmana varsha (Hindu Solar year), there are twelve Sankrantis corresponding with twelve months of a year. The Sankrantis can be broadly classified into four main categories: Ayan (Solstice), Vishuva (Equinox), Vishupadi and Shadshitimukhi sankrantis. Each Sankranti is marked as the beginning of a month in the sidereal solar calendars followed in South Indian states: Andhra Pradesh, Telangana, Tamil Nadu, Kerala, Karnataka; Himalayan states: Jammu region, Himachal Pradesh, Uttarakhand, Nort

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").

International LGBT supporting day

Ekadashi Tithi on Shukla Paksha of Chaitra month

Gangaur (, ) is a Hindu festival celebrated in the Indian states of Rajasthan, Haryana, Fazilka District of Punjab, the regions of Malwa, Nimar (Manawar, Barwani, Khargone, Khandwa) of Madhya Pradesh and the Braj and Bundelkhand regions of Uttar Pradesh. It is also celebrated in some parts of Gujarat and West Bengal. A variation of the same festival known as Chaitra Gauri Vrat is observed on the same day in the states of Maharashtra and northern Karnataka. Another variation called Saubhagya Gauri Vratam is observed in the states of Telangana and Andhra Pradesh.

annual date of international remembrance

Wikimedia disambiguation page

Solar New Year in the Hindu calendar

WHO event during the last week of April

thumb|A kanyarkali Performance

holiday in Iran

Tuesday following Easter

Catalan holiday. variant of St. George's Day