Every competitive exam consists of questions which are related to National, International and This Day in History, i.e., the importance of a day. Aspirants preparing for competitive exams sometimes forget to prepare for important days or the history related to these days.

Here we are sharing the list of Important Days. This ist consists of all the important days in one place. Also, the list will help you to easily prepare for the questions based on important national & international days.

Through this, you can score better in competitive exams and can earn good marks in aggregate score.

Important Days in January:
 
 Date  Day
January 01 English New Year, Army Medical Corps Establishment Day, Global family day, World Peace Day
January 04 World Braille Day
January 06 World War Orphans Day
January 08 African National Congress Foundation Day
January 09 Pravasi Bharatiya Divas NRI Day    
January 10 World Laughter Day, World Hindi Day
January 11 Death anniversary of Lal Bahadur Shastri 
January 12 National Youth Day (Birth Day of Swami Vivekanand)
January 13 Guru Gobind Singh Jayanti
January 14 Lohri
January 15 Army Day (Field Marshall K.M. Cariappa took over the command of Army on this day in 1949 from the British), Pongal, Makar Sankranti
January 23 Netaji Subhash Chandra Bose's birth anniversary
January  25 International Customs Duty Day, India Tourism Day, National Voters Day
January  26 Republic Day
January  27 International Holocaust Day (The largest Nazi death camp, Auschwitz- Birkenau was liberated by Soviet troops on Jan 27, 1945.), International Day of Commemoration 
January 28  Birth anniversary of Lala Lajpat Rai
January  30  Mahatma Gandhi's Martyrdom Day (Martyr's day) 
January (last Sunday)  World Leprosy Eradication Day


Important Days in February:
 
 Date  Day
February 01 Surajkund Crafts Mela, Indian Coast Guard Day
February 02 World Wetlands Day, Kala Ghoda Arts Festival
February 04 World Cancer Day, National Day of Sri Lanka
February 07  International Development Week
February 12 Darwin Day, Abraham Lincoln's Birthday
February 13 Sarojini Naidu’s Birth Anniversary
February 14 Saint Valentine's Day
February 18 Taj Mahotsav
February 20 World Day of Social Justice
February 21  International Mother Language Day
February 22 World Scout Day
February 24 Central Excise Day
February 27 World Sustainable Energy Day
February 28 National Science Day

Important Days in March:
 
 Date  Day
March 01 Zero Discrimination Day, World Civil Defence Day
March 03  World Wildlife Day, World Hearing Day
March 04 National Safety Day
March 08 International Women's Day, Ramakrishna Jayanti
March 10 CISF Raising Day
March 12 Mauritius Day
March 13 No Smoking Day (Second Wednesday of March)
March 14 Pi Day, International Day of Action for Rivers
March 15 World Consumer Rights Day
March 16 National Vaccination Day
March 18 Ordnance Factories Day (India)
March 20 International Day of Happiness, World Sparrow Day
March 21 World Forestry Day, World Down syndrome Day, World Poetry Day
March 22 World Water Day
March 23 World Meteorological Day
March 24 World Tuberculosis (TB) Day 
March 27 World Theatre Day

Important Days in April:
 
 Date  Day
April 01 Orissa Day, Prevention of Blindness week
April 02 World Autism Awareness Day
April 04 International Day for Mine Awareness
April 05 National Maritime Day
April 07 World Health Day
April 10 World Homeopathy Day
April 11 National Safe Motherhood Day, National Pet Day
April 13 Jallianwallah Bagh Massacre Day (1919)
April 14 B.R. Ambedkar Remembrance Day
April 17 World Haemophilia Day
April 18 World Heritage Day
April 21 National Civil Service Day, Secretaries' Day
April 22 World Earth Day
April 23 World Book and Copyright Day
April 24 National Panchayati Day
April 25 World Malaria Day
April 26 World Intellectual Property Day
April 28 World Day for Safety and Health at Work, World Veterinary Day
April 30 Ayushman Bharat Diwas

Important Days in May:
 
 Date  Day
May 01 International Labour Day or May Day, Maharashtra Day
May 03 Press Freedom Day
May 04 Coal Miners Day, International Firefighter’s Day
May 05 World Laughter Day (first Sunday of May)
May 07 World Asthma Day (First Tuesday of May), World Athletics Day, Rabindranath Tagore Jayanti
May 08 World Red Cross Day, World Thalassaemia Day
May 11 National Technology Day
May 12 Mother's Day (Second Sunday of May), International Nurses Day
May 15 International Day of Families
May 17 World Telecommunication Day, World Hypertension Day, National Endangered Species Day (Third Friday in May)
May 18 World AIDS Vaccine Day, International Museum Day, Armed Forces Day (Third Saturday of the May)
May 21 National Anti-Terrorism Day
May 22 International Day for Biological Diversity
May 27 National Memorial Day (last Monday of May)
May 31 Anti-Tobacco Day

Important Days in June:
 
 Date  Day
June 01 World Milk Day, Global Day of Parents
June 02 International Sex Workers Day, Telangana Formation Day
June 03 World Bicycle Day
June 04  International Day of Innocent Children Victims of Aggression
June 05 World Environment Day
June 07 World Food Safety Day
June 08 World Brain Tumour Day, World Oceans Day
June 12 World Day Against Child Labour
June 14 World Blood Donor Day
June 15 World Wind Day, World Elder Abuse Awareness Day
3rd Sunday of June World Father’s Day
June 16 Martyrdom of Guru Arjan Dev
June 17 World Day to Combat Desertification and Drought (International)
June 18 Autistic Pride Day, International Picnic Day
June 19 World Sickle Cell Awareness Day, World Sauntering Day
June 20 World Refugee Day (International)
June 21 World Music Day, World Hydrography Day, International Yoga Day
June 23  International Olympic Day, United Nations Public Service Day, International Widow's Day
June 26 International Day against Drug Abuse and Illicit Trafficking, International Day in Support of Victims of Torture
June 30 Asteroid Day

Important Days in July:
 
 Date  Day
July 01 Doctor's Day, National Postal Worker Day, Canada Day,  Chartered Accountant's Day(India), National U.S. Postage Stamp Day, National Gingersnap Day
July 02  World UFO Day, National Anisette Day
July 03 National Fried Clam Day
July 04 Independence Day USA
July 06 World Zoonoses Day
July 11  World Population Day, National 7-Eleven Day
July 12 National Simplicity Day, Paper Bag Day
July 14 Bastille Day
July 17 World Day for International Justice
July 18 International Nelson Mandela Day
July 22  Pi Approximation Day
July 24 National Thermal Engineer Day
July 25  National Refreshment Day (Fourth Thursday in July)
July 26 Kargil Vijay Diwas (Kargil Victory Day), (Last Friday in July) - System Administrator Appreciation Day
July 28  National Parent's Day, World Nature Conservation Day, World Hepatitis Day
July 29 International Tiger Day

Important Days in August:
 
 Date  Day
1st Friday of August International Beer Day
1st Sunday of August  Friendship Day 
August 01 Yorkshire Day 
August 06 Hiroshima Day
August 09 Quit India Movement Day, Nagasaki Day, Day of the World’s Indigenous Peoples
August 12 International Youth Day 
August 13 International Lefthanders Day
August 14 Youm-e-Azadi (Pakistan Independence Day) 
August 15 National Day of mourning (Bangladesh), Independence Day (India), (UK) - Victory over Japan Day, Day of the Assumption of the Virgin Mary
August 16 Bennington Battle Day 
August 17 Indonesian Independence Day 
August 19 World Photography Day, World Humanitarian Day
August 20 World Mosquito Day, Sadbhavna Divas, Indian Akshay Urja Day
August 23 International Day for the Remembrance of the Slave Trade and its Abolition, European Day of Remembrance for Victims of Stalinism and Nazism
August 26 Women's Equality Day 
August 29 National Sports Day 
August 30 Small Industry Day 
August 31 Hari Merdeka (Malaysia National Day)

Important Days in September:
 
 Date  Day
September 02 (USA) - Victory over Japan Day, Coconut Day
September 03 Skyscraper Day 
September 05 International Day of Charity, Teachers' Day (India), Sanskrit Day 
September 06 Defense Day 
September 07 Brazilian Independence Day, Forgiveness Day 
September 08 International Literacy Day
September 10 World Suicide Prevention Day 
September 11 Patriot Day 
September 14 Onam (Kerala, India), Hindi Diwas, World First Aid Day
September 15 Engineer's Day (India),  International Day of Democracy 
September 16 Malaysia Day, World Ozone Day, International Day of Preservation
September 19 International Talk Like a Pirate Day 
September 21 International Day of Peace and Non-Violence (UN), World Alzheimer's Day 
September 22  Rose Day (Welfare of Cancer patients)
September 23 International Day of Sign Languages
September 25  Social Justice Day 
September 26  European Day of Languages, Day of Deaf, World Contraception Day
September 27 World Tourism Day, World Maritime Day
September 28 World Rabies Day
September 29 World Heart Day 
September 30 International Translation Day
Last Saturday of September World Rivers Day

Important Days in October:
 
 Date  Day
1st Monday of October World Habitat Day 
2nd Thursday of October World Sight Day 
October 01 International Day of the Elderly (UN), International Coffee Day, World Vegetarian Day
October 02 Gandhi Jayanthi, International Day of Non-Violence  
October 03 German Unity Day, World Nature Day 
October 04 World Animal Welfare Day 
October 05 World Teachers' Day, World Habitat Day 
October 06 German-American Day 
October 08 Indian Air Force Day
October 09 World Postal Day or World Post Office Day
October 10 World Mental Health Day, National Post Day
October 11 National Girl Child Day
October 13 World Calamity Control Day (UN) or UN International Day for Natural  Disaster Reduction 
October 14 World Standards Day 
October 15  Pregnancy and Infant Loss Remembrance Day, Global Handwashing Day, World White Cane Day (guiding the blind), World Students Day
October 16 World Food Day 
October 17 International Poverty Eradication Day 
October 20 National Solidarity Day (China attacked India on that Day) 
October 23 Mole Day
October 24 United Nations Day, World Development Information Day
October 27 Labour Day (New Zealand) 
October 30 World Thrift Day 
October 31 Halloween, National Integration Day (In memory of Indira Gandhi )

Important Days in November:
 
 Date  Day
1st Tuesday in November Melbourne Cup Day 
November 01 World Vegan Day, All Saints' Day
November 02 All Souls' Day 
November 05 World Tsunami Day
November 07 Infant Protection Day, World Cancer Awareness Day
November 09 Iqbal Day, Pravasiya Bharatiya Divas/ Legal Services Day 
November 10 Transport Day 
November 11  Armistice Day (also Remembrance Day ), Veterans Day (United States)
November 12 World Pneumonia Day 
November 13 World Kindness Day 
November 14  World Diabetes Day, Children's Day 
November 17 National Epilepsy Day, Guru Nanak Dev's Birth Anniversary
November 19 International Men's Day, World Toilet Day, Citizen's Day 
November 20  Universal Children's Day, Africa Industrialisation Day
November 21  World Television Day 
November 25  International Day for the Elimination of Violence against Women 
November 26 Law Day (India) 
November 29 International Day of Solidarity with Palestinian People
November 30 Saint Andrew's Day, Cities for Life Day, Flag Day 
4th Thursday of November Thanksgiving Day (United States)

Important Days in December:
 
 Date  Day
December 01 World AIDS Day 
December 02 National Pollution Control
December 03 World Day of the Handicapped
December 04 Indian Navy Day
December 05 International Volunteer Day, World Soil Day 
December 07 Indian Armed Forces Flag Day, International Civil Aviation Day 
December 09 International Anti-Corruption Day 
December 10 Human Rights Day, Children's Day of Broadcasting
December 11  UNICEF Day, International Mountain Day
December 14 World Energy Conservation Day
December 15 International Tea Day 
December 16 Victory Day of Bangladesh 
December 18  Minorities Rights Day (India), International Migrants Day
December 19 Goa's Liberation Day 
December 20 International Human Solidarity Day
December 22 National Mathematics Day
December 23 Kisan Divas (Farmer's Day in India) 
December 24 National Consumer Rights Day
December 25 Christmas Day, Good Governance Day (India)
December 31 New Year's Eve