Important National and International Days

Correct answer is (4).

The Winter Solstice in the Northern Hemisphere occurs around December 21-22 when the North Pole is tilted farthest from the Sun, making it the shortest day. June 21 is the Summer Solstice (longest day), March 21 is the spring equinox, and September 23 is the autumn equinox when day and night are equal.

World Ozone Day is observed on September 16th every year to commemorate the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987. The United Nations designated this day to raise awareness about ozone layer protection. September 11, 12, and 13 are not the correct dates.

World Food Day is celebrated on October 16th to commemorate the founding of the Food and Agriculture Organization (FAO) of the United Nations in 1945. This date was chosen to raise awareness about global hunger and food security issues.

Akshay Urja Diwas (Renewable Energy Day) is celebrated on August 20th every year in India since 2004. It was established by the Ministry of New and Renewable Energy (MNRE) to raise awareness about renewable energy sources. The date commemorates the birthday of former Prime Minister Rajiv Gandhi, a strong supporter of renewable energy initiatives.

United Nations Day commemorates the anniversary of the UN Charter entering into force on October 24, 1945. This date was chosen as the official day to observe the founding of the United Nations.

United Nations Day marks the anniversary of the UN Charter entering into force on October 24, 1945. The Charter was ratified by China, France, Soviet Union, United Kingdom, United States, and a majority of other signatories.

World Forestry Day is observed annually on March 21st to raise awareness about the importance of forests and trees in sustaining life on Earth. The United Nations established this day to promote forest conservation, sustainable management, and to highlight how forests contribute to biodiversity, climate regulation, and livelihoods.

World Environment Day is observed annually on June 5th. Established by the UN in 1974, it raises awareness about environmental issues and encourages global action. April 7 is World Health Day, August 6 is Hiroshima Day.

World Water Day is observed annually on March 22 to raise awareness about freshwater resources and sustainable management. The UN designated this day in 1993.

Correct answer is (3). 

The United Nations General Assembly declared March 21 as the International Day of Forests to raise awareness about the importance of all types of forests and trees. This date was chosen to coincide with the start of spring in the Northern Hemisphere.

April 2 is International Children's Book Day, chosen as it's the birthday of famous children's author Hans Christian Andersen. World Book Day is celebrated in March, while World Water Day and Earth Day are observed in March and April respectively.

International Women's Day is observed on March 8 globally, commemorating women's achievements and advocating for gender equality and women's rights.