International days in 2025 for your HR calendar

List of important dates and events taking place in 2025 for HR professional calendars. Health and wellbeing awareness days in 2025 for your HR calendar.

International days in 2025 for your HR calendar

As an HR you need to plan in advance some initiatives and big dates to celebrate. Here is a comprehensive list of events taking place in 2025 so that you can choose which one to communicate on internally.

This list integrates mostly international days or world days so that distributed workforce can celebrate all together. You can also integrate national days to this list of your company is 100% based in a certain country.

January

Whole month - Dry January

February

4 February 2025 World Cancer Day

11 February 2025 International Day of Women & Girls in Science

20 February 2025 World Day of Social Justice

March

1 March 2025 Zero Discrimination Day

8 March 2025 International Women’s Day (IWD)

20 March 2025 International Day of Happiness 

April

7 April 2025 World Health Day

World Parkinson's day World Parkinson’s Day

28 April 2025 World Day for Safety & Health at Work

May

1 May 2025 Maternal Mental Health Day

4 May 2025 International Family Equality (Family Pride) Day

4 May 2025 International Bereaved Mother’s Day

12 May 2025 International Nurses Day

12 May 2025 Mental Health Awareness Week

15 May 2025 Global Accessibility Awareness Day

18 May 2025 Global Accessibility Awareness Day (GAAD)

June

1 June 2025 Global Day of Parents

1 June 2025 Pride Month

20 June 2025 World Refugee Day

21 June 2025 International Father’s Mental Health Day

27 June 2025 Small Business Day

July

30 July 2025 International Friendship Day

August

9-17 August 2025 National Science Week

11-15 August 2025 Bullying No Way: National week of action

30 August 2025 Wear it Purple Day

September

7 September 2025 World Menopause at Work Day

10 September 2025 World Suicide Prevention Day

18 September 2025 International Equal Pay Day

October

1 October 2025 International Day of Older Persons

1 October 2025 Mental Health Month

10 October 2025 World Mental Health Day

11 October 2025 International Day of the Girl

18 October 2025 World Menopause Day

November

25 November 2025 International Day for the Elimination of Violence against Women

December

3 December 2025 International Day of Persons with Disabilities

10 December 2025 Human Rights Day

18 December 2025 International Migrants Day

Want to celebrate these days in your Company?

Use Billy to celebrate custom dates in Slack like those listed in this article. Automate Birthdays and work anniversaries as well to make sure no employee is forgotten.

Try out Billy Birthday for free