Mahavir Jayanti, the most important holiday in Jainism, celebrates the birth of Mahavira, the last Tirthankara. A Tirthankara is a human being who achieves enlightenment and becomes a role-model and teacher. On this day, Jain temples are decorated with flags, and lectures are often held to discuss the path to virtue. Special ceremonies and processions are also performed, and devotees make offerings of rice, fruit, milk, and other items to those participating in the procession.

April 7 
Lord's Evening Meal (Jehovah's Witness Christianity)
The Lord's Evening Meal, a memorial to commemorate Christ's death, is the only holiday in which the Jehovah's Witnesses participate. They believe it is the only holiday that the Bible commands Christians to observe. On this day, a service is held and unleavened bread and wine is offered, though a very small minority partake in this offering; only those who believe they have a heavenly hope will partake.

Laudation of the Mother of God (Russian Orthodox Christianity)
At the end of the fifth week of Great Lent Russian Orthodox Christians celebrate the Most Holy Theotokos in the service to her called the Laudation of the Mother of God.

April 7-9 
Theravada New Year (Buddhism)
In Theravada countries the New Year is celebrated on the first full moon day in April. On the first three days after the full moon in April, the Theravada Buddhists of Thailand, Burma, Sri Lanka, Cambodia and Laos, celebrate the New Year. This is a time to reflect on one's karma, focus on cleansing, and offer good wishes to others.

April 8   
Hanuman Jayanti (Hinduism)
Hanuman Jayanti is the birthday of Hanuman, a monkey god and devotee of Rama. Seen as a symbol of physical strength and perseverance, Hindus often perform special chants to Hanuman when they are faced with obstacles. On this day worshippers fast and visit temples.

Feast Jalál (Bahai)
First day of the month of Jalál (Glory), the second month of the Badí' Calendar. The Badí' Calendar is a solar calendar consisting of 19 months of 19 days each (361 days), with the addition of either four or five "Intercalary Days" to adjust the calendar to the solar year. The days and months are named after the attributes of God. The Nineteen Day Feast, the primary community gathering for Bahá'ís in each town and city, is held on the first day of each Bahá'í month.

Farvardinegan (Zoroastrianism)
Farvardinegan is a monthly Zoroastrian ceremony. This ceremony takes place on Farvardin 19th. Farvardinegan is a ceremony to remember the deceased; it is celebrated as a feast, and the spirits of the deceased are called to unite in their joy.

April 8 (Begins at sundown) 
Laylat al-Bara'ah (Islam)
Occurring on the night between the 14th and 15th day of the eighth month on the Islamic calendar, Laylat al- Bara'ah is a night when Muslims are given blessings and Divine Mercy. Allah descends upon the earth after sunset and asks followers if they seek salvation. Muslims spend the night reciting the Qur'an and special prayers, and often visit deceased friends and relations.

April 8-16 (Begins at sundown April 8)
Passover/ Pesach (Judaism)
The eight-day "Feast of Unleavened Bread" celebrates Israel's deliverance from Egyptian bondage. Pesach, or Passover, commemorates God "passing over" the houses of the Jews-sparing them-during the tenth plague of Egypt. In some traditions, Passover lasts for seven days, with major feasts on the first and last days. The first night of Passover is celebrated with a seder, a special dinner where the story of the Exodus from Egypt is retold. The last day, celebrated with prayer services and special meals, commemorates the day the Children of Israel reached the Red Sea and found safety. Generally, all Jews abstain from eating chametz (leavening and fermenting agents) as it is commanded in the Torah.

April 9 
Holy Thursday (Christianity)
Also known as Maundy Thursday, it is celebrated on the Thursday before Easter commemorating the Last Supper, at which Jesus and the Apostles were together for the last time before the Crucifixion.

April 10
Good Friday (Christianity)
Known as Holy Friday in Eastern Christianity, it commemorates the Crucifixion of Jesus on the Friday before Easter/Pascha.

April 11 
Lazarus Saturday (Orthodox Christianity)
Celebrated the day before Palm Sunday, this holiday celebrates the resurrection of Lazarus, as told in the Gospel of John. Though this day is still a fast day, some cultures celebrate with special permitted foods, like caviar in Russia, and a special spice bread called Lazarakia in Greece.

April 12 
Palm Sunday (Orthodox Christianity)
Called Willow Sunday in some Slavic countries, Palm Sunday commemorates the day Jesus rode into Jerusalem and was greeted as the Messiah. Palm Sunday is celebrated on a different date in Western Christian churches.

April 12 
Easter (Christianity)
Christians believe that Jesus was resurrected from the dead on Easter Sunday, on the third day after his crucifixion. This day is celebrated in different ways among the many Western and Eastern Christian traditions,  including vigils, readings, reenactments, and the eating of special foods. The egg is a significant symbol of Easter, as it represents the resurrection: it is dormant, but contains a new life. Easter traditions involving eggs include egg hunts, egg games, and the gifting of candy eggs.

April 13
Vaisakhi (Sikh)
The festival which celebrates the founding of the Sikh community as the Khalsa (community of the initiated). On this day, Sikhs gather and celebrate Vaisakhi at their local Gurdwaras (Sikh house of worship) by remembering this day as the birth of the Khalsa.

Easter Monday (Christianity)
The Monday immediately after Easter Sunday. It is observed primarily by the Eastern Orthodox and Roman Catholic traditions. It marks the beginning of Easter Week (Roman Catholic) or Bright Week (Eastern Orthodox).

Vaisakhi/Baisakhi (Hinduism)
In Hinduism, Vaisakhi celebrates the Solar new year. Vaisakhi marks the first day of the month. It is also a spring harvest festival.

Solar New Year Mesha Sankranta (Hinduism)
On this day, worshipping Lord Shiva, Hanuman, Vishnu and Maa Kali are considered auspicious. Devotees take sacred bath in holy water bodies of Ganga, Jamuna, and Godavari. On this day, some communities believe in preparing a special drink, which is called Pana to be consumed by everyone.