Comprehensive list of the important days in April 2023:

April is a month full of significance and importance. It marks the onset of spring and brings with it a plethora of important days that are observed globally. From World Autism Awareness Day to Earth Day, each day has its own relevance and message. Here is a comprehensive list of the important days in April 2023:

1. Odisha Foundation Day, April 1: Odisha celebrates its foundation day on April 1 every year. It was on this day in 1936 that the state was formed and became a separate province in India.

2. April Fools' Day: April 1: April Fools' Day is celebrated on the first of April every year. It is a day where people play pranks and practical jokes on each other.

3. Prevention of Blindness Week, April 1–April 7: This week is observed from April 1 to April 7 every year. The aim of this week is to create awareness about the causes and prevention of blindness.

4. World Autism Awareness Day, April 2: World Autism Awareness Day is observed on April 2 every year. The day is dedicated to creating awareness about autism and promoting the rights of people with autism.

5. Holy Monday, April 3: Holy Monday is observed on the Monday before Easter. It is a day of reflection and preparation for the coming of Easter.

6. International Day of Mine Awareness, April 4: The International Day of Mine Awareness is observed on April 4 every year. The day is dedicated to creating awareness about the dangers of landmines and unexploded ordnance.

7. Mahavir Jayanti, April 4: Mahavir Jayanti is the birth anniversary of Lord Mahavir, the founder of Jainism. It is celebrated on April 4 every year.

8. National Maritime Day, April 5: National Maritime Day is observed on April 5 every year. The day is dedicated to celebrating the maritime heritage of India.

9. World Health Day, April 7: World Health Day is observed on April 7 every year. The day is dedicated to creating awareness about health issues and promoting healthy living.

10. Good Friday, April 7: Good Friday is observed on the Friday before Easter. It is a day of mourning and remembrance of the crucifixion of Jesus Christ.

11. Holy Saturday, April 8: Holy Saturday is observed on the day before Easter. It is a day of preparation for the celebration of Easter.

12. Easter Sunday, April 9: Easter Sunday is celebrated on the first Sunday after the first full moon following the vernal equinox. It is a day of celebration for the resurrection of Jesus Christ.

13. World Homoeopathy Day (WHD) – April 10: World Homoeopathy Day is observed on April 10 every year. The day is dedicated to creating awareness about homoeopathy and its benefits.

14. National Safe Motherhood Day (NSMD) – April 11: National Safe Motherhood Day is observed on April 11 every year. The day is dedicated to creating awareness about maternal mortality and promoting safe motherhood.

15. National Pet Day – April 11: National Pet Day is observed on April 11 every year. The day is dedicated to celebrating the bond between pets and their owners.

16. Jallianwala Bagh Massacre – April 13: Jallianwala Bagh Massacre is observed on April 13 every year. The day is dedicated to remembering the massacre that took place on April 13, 1919, in Jallianwala Bagh, Amritsar.

17. B.R. Ambedkar Remembrance Day – April 14: B.R. Ambedkar Remembrance Day is observed on April 14 every year to remember the contributions of Dr. B.R. Ambedkar, who was a social reformer, jurist, and architect of the Indian Constitution.

18. World Haemophilia Day, April 17: World Haemophilia Day is observed on April 17 every year. The day is dedicated to creating awareness about haemophilia and other bleeding disorders.
19. World Heritage Day, April 18: World Heritage Day is observed on April 18 every year. The day is dedicated to creating awareness about the importance of preserving cultural heritage and monuments.
20. National Civil Service Day, April 21: National Civil Service Day is observed on April 21 every year. The day is dedicated to celebrating the contribution of civil servants to the country.
21. World Earth Day, April 22: World Earth Day is observed on April 22 every year. The day is dedicated to creating awareness about environmental issues and promoting sustainable living.
22. World Book and Copyright Day, April 23: World Book and Copyright Day is observed on April 23 every year. The day is dedicated to promoting the importance of reading, publishing, and protecting intellectual property rights.
23. National Panchayati Raj Day, April 24: National Panchayati Raj Day is observed on April 24 every year. The day is dedicated to celebrating the decentralisation of power to the grassroots level and promoting the participation of citizens in local governance.
24. World Malaria Day, April 25: World Malaria Day is observed on April 25 every year. The day is dedicated to creating awareness about malaria and promoting efforts to control and eliminate the disease.
25. World Intellectual Property Day, April 26: World Intellectual Property Day is observed on April 26 every year. The day is dedicated to promoting the importance of intellectual property rights and innovation.
26. World Day for Safety and Health at Work, April 28: World Day for Safety and Health at Work is observed on April 28 every year. The day is dedicated to creating awareness about occupational safety and health and promoting safe working conditions.
27. World Veterinary Day, April 30: World Veterinary Day is observed on the last Saturday of April every year. The day is dedicated to celebrating the contributions of veterinarians to animal health and welfare.
28. Ayushman Bharat Diwas, April 30: Ayushman Bharat Diwas is observed on April 30 every year. The day is dedicated to celebrating the anniversary of the Ayushman Bharat scheme, which aims to provide affordable healthcare to millions of people in India.

In conclusion, April is a month filled with important days that highlight the significance of various causes and issues. These days provide an opportunity to create awareness, promote action, and celebrate achievements. Each day serves as a reminder to work towards a better future for ourselves and the world.