The month of April is known for its pleasant weather, blooming flowers, and significant cultural and historical events. It is the fourth month of the year in the Gregorian and Julian calendars. Its length is 30 days. This month is packed with important national and international observances that commemorate global issues, historic milestones, and cultural celebrations.

April is thought to come from the Latin word ‘Aperire’, meaning “to open,” in reference to the opening or blossoming of flowers and trees in the Northern Hemisphere throughout the month. From health awareness campaigns to environmental concerns, April has a variety of important days worth noting.

List of Important Days in April

Date	Event Name	National/International
Apr-01	April Fool’s Day	International
Apr-02	World Autism Awareness Day	International
Apr-04	International Day for Mine Awareness and Assistance in Mine Action	International
Apr-05	National Maritime Day (India)	National
Apr-07	World Health Day	International
Apr-10	World Homeopathy Day	International
Apr-11	National Safe Motherhood Day (India)	National
Apr-13	Jallianwala Bagh Massacre Anniversary	National
Apr-14	Ambedkar Jayanti	National
Apr-17	World Hemophilia Day	International
Apr-18	World Heritage Day	International
Apr-21	Civil Services Day (India)	National
Apr-22	Earth Day	International
Apr-23	World Book and Copyright Day	International
Apr-24	National Panchayati Raj Day (India)	National
Apr-25	World Malaria Day	International
Apr-26	World Intellectual Property Day	International
Apr-28	World Day for Safety and Health at Work	International
Apr-29	International Dance Day	International
Apr-30	Ayushman Bharat Diwas (India)	National

Important Days in April: A Detailed Look

April 1 – April Fool’s Day

April Fools’ Day or All Fools’ Day is an annual custom on 1 April consisting of practical jokes and hoaxes. On this day, people traditionally play practical jokes on each other. Mass media can be involved with these pranks, which may be revealed as such the following day. The custom of setting aside a day for playing harmless pranks upon one’s neighbour has been relatively common in the world historically.

April 2 – World Autism Awareness Day

World Autism Awareness Day is an internationally recognized day annually on 2 April, encouraging Member States of the United Nations to take measures to raise awareness about autistic individuals throughout the world.

The World Autism Awareness Day is observed globally to spread awareness about Autism Spectrum Disorder (ASD). The day encourages people to accept, support and the inclusion of autistic people, and for the advocacy of their rights.

April 4 – International Day for Mine Awareness and Assistance in Mine Action

The International Day for Mine Awareness and Assistance in Mine Action was designed in 2005 by the United Nations General Assembly to raise awareness and seek assistance for mine action is observed every year on 4 April. This day aims to highlight the dangers of land mines and explosive remnants of war, as well as to promote efforts to clear contaminated areas and assist victims

April 5 – National Maritime Day (India)

The National Maritime Day is an annual celebration that takes place in India on April 5th. This day is dedicated to honoring the brave men who spend months at sea, contributing significantly to India’s global trade and commerce. The tradition of celebrating National Maritime Day in India dates back to the year 1964. It marks the maiden voyage of SS Loyalty in 1919, India’s first owned merchant ship.

April 7 – World Health Day

World Health Day is a global health awareness day celebrated every year on 7 April, under the sponsorship of the World Health Organization, as well as other related organizations. In 1948, the WHO held the 1st World Health Assembly.

For World Health Day 2025, the theme is “Healthy Beginnings, Hopeful Futures,” focusing on maternal and newborn health, aiming to raise awareness about preventable deaths and improve the well-being of women and their babies.

April 10 – World Homeopathy Day

The World Homoeopathy Day is observed every year on April 10 to commemorate the Birthday of Dr. Hahnemann, the Founder of Homoeopathy. This day aims at marking the importance of homeopathy and its contributions to traditional medicine.

April 11 – National Safe Motherhood Day (India)

In the year of 2003, the Indian government recognised April 11th as National Safe Motherhood Day at the proposal of WRAI, an association of 1800 organisations. It is to raise awareness about the importance of proper healthcare and maternity services for expectant mothers

April 13 – Jallianwala Bagh Massacre Anniversary

On April 13th, we commemorate the anniversary of the Jallianwala Bagh Massacre, a tragic event that took place in Amritsar, Punjab, India, on Baisakhi Day in 1919, where British troops opened fire on a peaceful crowd, resulting in the deaths of hundreds.

The crowd was protesting against the Rowlatt Act, a controversial law that allowed for the detention of political activists without trial.

April 14 – Ambedkar Jayanti

Ambedkar Jayanti or Bhim Jayanti is observed on 14 April to commemorate the memory of B. R. Ambedkar, Indian politician and social reformer. It marks Ambedkar’s birthday who was born on 14 April 1891. His birthday is also referred to as ‘Equality Day’ by some in India. Ambedkar Jayanti is a public holiday in more than 25 states and union territories of India.

April 17 – World Hemophilia Day

World Hemophilia Day, observed annually on April 17th, is celebrated to raise awareness about hemophilia and other inherited bleeding disorders, and to support individuals and families affected by these conditions, advocating for improved access to care and treatment.

April 18 – World Heritage Day

The World Heritage Day also known as International Day for Monuments and Sites is an international observance held on 18 April each year around the world with different types of activities, including visits to monuments and heritage sites, conferences, round tables and newspaper articles.

The theme for 2025 is “Disaster and Conflict Resilient Heritage: Preparedness and Learning from 60 years of ICOMOS Actions”.

April 21 – Civil Services Day (India)

Every year, April 21 is celebrated as the National Civil Services Day to acknowledge the hard work, dedication, and commitment of officials to serve the nation. The reason for the date is because on 21 April 1947, Sardar Vallabh Bhai Patel addressed the first batch of civil servants in Independent India at the Metcalf House. He referred to civil servants as the ‘steel frame of India’ in his inspiring speech.

April 22 – Earth Day

Earth Day is an international event that aims to inspire people, communities, businesses, and governments to take action and help preserve the planet. The theme for Earth Day 2025 is “Our Power, Our Planet”, focusing on renewable energy and aiming to triple global clean electricity generation by 2030. You can participate in Earth Day by volunteering, planting trees, reducing your carbon footprint, or supporting environmental organizations.

April 23 – World Book and Copyright Day

On April 23rd, UNESCO designated World Book and Copyright Day, also known as International Day of the Book, to promote reading, publishing, and copyright, and to honor the death anniversaries of literary giants like William Shakespeare, Miguel de Cervantes, and Inca Garcilaso de la Vega. Also known as International Book Day, this observance promotes reading, publishing, and intellectual property rights.

April 25 – National Panchayati Raj Day (India)

National Panchayati Raj Day is the national day of Panchayati Raj System in India celebrated by Ministry of Panchayati Raj on 24 April annually. Panchayati Raj was constitutionalised through the 73rd Constitutional Amendment Act of 1993. The Ministry of Panchayati Raj observes this day to promote the importance of local self-governance and democratic decentralization.

April 25 – World Malaria Day

World Malaria Day, marked each year on 25 April, is an occasion to highlight the need for continued investment and sustained political commitment for malaria prevention and control. The Day was instituted by World Health Organization (WHO) Member States during the 2007 World Health Assembly.

April 28 – World Day for Safety and Health at Work

WHO marks World Day for Safety and Health at Work on 28 April every year to promote the prevention of occupational accidents and diseases globally. The day aims to reduce the number of accidents and injuries at workplaces and in daily life.

April 29 – International Dance Day

International Dance Day is a global celebration of dance promoted by the International Dance Council (CID) and the International Theatre Institute. The core objective of International Dance Day is to raise public awareness of dance as an art form, a means of cultural expression, and an educational tool. It particularly encourages governments and educational institutions worldwide to integrate dance into the education system, ensuring its accessibility from primary to higher education.

April 30 – Ayushman Bharat Diwas (India)

The Ayushman Bharat Diwas is celebrated on April 30 in India. The Ayushman Bharat Diwas is celebrated to achieve twin missions. They are to promote health and wellness to the poor and also to provide insurance benefits to them.

April is a month of reflection, awareness, and action. These national and international observances help societies acknowledge historical events, promote global issues, and encourage collective efforts toward a better future. Whether it’s health, environment, or cultural heritage, each day in April serves as a reminder of our responsibilities as global citizens.