This document lists many days, fortnights, and weeks that are celebrated with significance in India and around the world. It provides over 100 dates along with the name of the event celebrated on each date, ranging from national holidays to international days focused on issues like health, the environment, and human rights. The dates span throughout the calendar year from January to December.

1. DAYs/FORTNIGHTs/WEEKs Celebrated with Significance
DAYs/FORTNIGHTs Celebrated as
1st
. January Global Family Day
9th
. Non-residential Indian Day
10th
. World Laughters’ Day
12nd. National Youth Day
14-30th
. Animal Welfare Fortnight
15th
. Army Day
23rd
. Desh Prem Diwas
24th
. National Girl Children Day
25th
. Indian Tourism Day
26th
. Indian Republic Day
26th
. International Custom Day
29th
. World Newspaper Day
30th
. World Leprosy Eradication Day
30th
. National Swachchhata Diwas
30th
. Martyr’s Day
2nd
. Sunday of Jan World Marriage Day
1st
. February Coastguard Day
2nd
. World Wetland Day
12nd. Darwin Day
13rd. National Women Day
14th
. Valentine’s Day
20th
. World Day of Social Justice
20th
. Arunachal Day
21st. International Mother-tongue Day(World Day of
Mother-tongue)

2. 22nd
. World Water Day
24th
. Central Excise Day
28th
. National Science Day
3rd
. March National Defence Day
4th
. National Security Day
8th
. International Women Day
11st. Andaman Day
15th
. World Consumers’ Rights Day
15th
. World Disables’ Day
16th
. National Vaccination Day
21st
. Elimination of Racial Discrimination
21st
. World Forestry Day
21st
. – 27th
. Week of Solidarity with them who’re struggling
against Recism & Racial Discrimination
22nd
. World Water Day
23rd
. World Meteorological Day
24th
. World Tuberculosis Day
26th
. World Play Day
30th
. Rajasthan Day
1st
. April Odisha Day
5th
. National Maritime Day
5th
. Samta Diwas
7th
. World Health Day
12nd. World Aviation & Cosmonautic Day
13rd. Jallianwala Day
14th
. Fire Brigade Day
15th. Himachal Day
15th
. International Special Librarians’ Day

3. 17th
. World Haemophilia Day
18th
. World Heritage Day
21st
. Secretaries’ Day
22nd
. Earth Day
23rd
. World Book Day
24th
. Manav Ekta Diwas
26th
. World Chernobil Day
26th
. World Intellectual Property Day
1st
. May International Labour Day
1st
. Maharashtra Day
3rd
. World Press Freedom Day
3rd
. International Power Day
4th
. Coal Mine Day
8th
. World Red Cross Day(World Red Crescent Day)
9th
. World Thalasamia Day
10th
. International Mothers’ Day
11st. National Technology Day
12nd. International Nurse Day
13rd. National Solidarity Day
15th
. International Families Day
17th
. World Telecommunication Day
21st
. Anti Terrorism Day
21st
. World Day for Cultural Diversity for Dialogue &
Development
22nd
. Internal Day for Biodiversity
24th
. Commonwealth Day
24th. – 31st. Week of Solidarity with people on Self Governing
Femitorian

4. 28th
. World Menstrual Hygiene Day
29th
. Everest Day
31st
. World Anti Tobacco Day
2nd
. Saturday World Fair Trade Day
1st
. June International Children’s Day
5th
. World Environment Day
8th
. World Ocean Day
8th
. Poor Day
12nd. World Day against Child Labour
14th
. World Blood Donars’ Day
17th
. World Day to Combat Desertification & Drought
20th
. World Refugee Day
20th
. World Fathers’ Day
21st
. International Yoga Day
23rd
. United Nations Public Service Day
26th
. World Day against Drug-abose & Ilicit Trafficking
27th
. Diabetes Day
1st
. July Doctors’ Day
1st
. Vanamohatsavam Day
11st. World Population Day
15th
. Salary Saving Day
23rd
. World Parents’ Day
1st
. Saturday of July International Day of Co-operation
1st
. August World Breastfeeding Day
1st
. – 7th
. Breastfeeding Week
6th
. Hirosima Day
9th
. Nagasaki Day
9th
. Quit India Day

5. 12nd. International Youth Day
15th
. Indian Independence Day
18th
. World Tribal Day
20th
. Sadbhabana Day
29th
. National Sports Day
5th
. Sept. Sanskrit Day
5th
. Teachers’ Day
8th
, World Literacy Day
14th
. Hindi Day
15th
. International Day of Democracy
16th
. World Ozone Day
21st
. International Peace Day
21st
. World Alzheiur’s Day
21st
. Engineers’ Day
26th
. Dumbs’ Day
27th
. World Tourism Day
28th
. Right to Know Day
1st
. Oct. International Day for Eldesly
1st
. World Vegetarian Day
1st
. World Music Day
1st
. – 7th
. World Wildlife Week
2nd
International Non Violence Day
3rd
. World Habitat Day
4th
. World Animal Welfare Day
4-10th
. World Space Week
8th
. Air Force Day
9th
. World Post Day
10th
. National Post Day

6. 10th
. World Day against Death Penalty
11st. World Allergy Awareness Day
12nd. World Eye Day
13rd. International Day for Natuaral Disaster Reduction
14th
. World Standard Day
15th
. World White Cane Day(guiding the blinds)
16th
. World Food Day
17th
. International Day for Eradication of Poverty
24th
. UN Day
24-30th
. Disarmanent Week
27th
. Infuntry Day
30th
. World Thieft Day
31st
. World Integration Day
7th
. Nov World Cancer Conciousness Day
9th
. World Freedom Day
9th
. World Legal Service Day
10th
. World Science Day for Peace & Development
12nd. Dhanwantari Diwas
13rd. World Run Day
14th
. Children’s Day
14-20th
. All India Co-operative Week
14th
. World Diabetes Day
15th
. – 21st
. Soil Conversation Week
16th
. International Day of Tolerance
17th
. World Epilepsy Day
18th
. Sappers’ Day
19th
. Citizens’ Day
20th
. Universal Child Rights Day

7. 26th
. Indian Constitution Day
1st
. Dec. World AIDS Day
2nd
. Bhopal Tragedy Day
3rd
. World Conservation Day
3rd
. International Day of Disabled Person
4th
. Navy Day
5th
. World Soil Day
5th
. International Volunteers’ Day
7th
. Flag Day
10th
. Human Rights Day
11st. International Mountain Day
14th
. National Energy Conservation Day
20th
. International Human Solidavity Day
23rd
. Kishan Diwastion
25th
. Chrismas Day
29th
. International Day for Biological Diversity