27 January Holocaust Remembrance Day
6 February Waitangi Day
20 February World Day of Social Justice
21 February UNESCO International Mother Language Day
1 March Nuclear Free and Independent Pacific Day
8 March UN International Women's Day and UN Day for Women's Rights and International Peace
15 March Anniversary of the Christchurch Ōtautahi Terror Attacks
21-28 March Week of Solidarity with Peoples Struggling against Racism and Racial Discrimination
22 March World Water Day
7 April World Health Day
14 April Anniversary of Wellington's Nuclear Weapon Free Declaration
22 April Earth Day
25 April Anzac Day
15 May UN International Day of Families
17-25 May Youth Week Aotearoa
17 May International Day against Homophobia and Transphobia
21 May World Day for Cultural Diversity for Dialogue and Development
22 May UN International Day for Biological Diversity
24 May International Women's Day for Peace and Disarmament
4 June UN International Day of Innocent Children Victims of Aggression
5 June World Environment Day
8 June Anniversary of Nuclear Free New Zealand
20 June World Refugee Day
26 June UN International Day in Support of Victims of Torture
7 July Treaty on the Prohibition of Nuclear Weapons adopted by UN (2017)
8 July Advisory Opinion on the Legal Status of nuclear weapons from the UN International Court of Justice (1996)
10 July Anniversary of the bombing of the Rainbow Warrior
4-8 August Schools' Peace Week
6 August Hiroshima Day
9 August UN International Day of the World's Indigenous People
9 August Nagasaki Day
12 August UN International Youth Day
19 August World Humanitarian Day
23 August International Day for the Remembrance of the Slave Trade and Its Abolition
29 August International Day Against Nuclear Tests
15 September UN International Day of Democracy
21 September United Nations International Day of Peace
26 September Nuclear Abolition Day
1 October UN International Day for Older Persons
2 October UN International Day of Non-Violence/Gandhi Day
6 October World Habitat Day
10 October World Mental Health Day
24 October United Nations Day
24-30 October Disarmament Week
5 November Parihaka Day
6 November International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
10 November UNESCO World Science Day for Peace and Disarmament
11 November Armistice Day
16 November UN International Day for Tolerance
20 November Universal Children's Day
25 November White Ribbon Day/International Day for the Elimination of Violence Against Women
10 December Human Rights Day
18 December International Migrants Day
20 December UN International Human Solidarity Day