Internal comms calendar 2026

A day dedicated to recognising and celebrating the hard work and contributions of employees. Traditionally observed on the first Friday of March.

A global day celebrating the social, economic, cultural, and political achievements of women, while calling for accelerated gender parity.

A major Islamic holiday marking the end of Ramadan, the holy month of fasting. Celebrated with prayers, feasts, and community gatherings. Date is approximate and varies by lunar sighting.

A United Nations-designated day recognising the importance of happiness and well-being as universal goals and aspirations in the lives of people around the world.

A United Nations-designated day to raise awareness about autism spectrum conditions and promote acceptance and inclusion of autistic individuals worldwide.

Sponsored by the World Health Organization, this day draws attention to a specific health topic of concern to people worldwide.

An annual event on 22 April to demonstrate support for environmental protection. Now coordinated globally by the Earth Day Network in more than 193 countries.

Created by UNESCO's International Theatre Institute to celebrate dance, raise awareness, and bring people together through the universal language of movement.

Also known as May Day, a celebration of labourers and the working class. A public holiday in many countries recognising workers' rights and contributions.

A day to celebrate the fundamental principles of press freedom, assess the state of press freedom worldwide, and pay tribute to journalists who have lost their lives.

An informal commemorative day observed by Star Wars fans worldwide on 4 May — 'May the Fourth be with you.' A celebration of pop culture and fandom.

A day honouring mothers and maternal figures, celebrated on the second Sunday of May in many countries. A time to recognise the contributions of parents and carers.

Hosted by the Mental Health Foundation, this week raises awareness of mental health issues and mobilises efforts to support mental wellbeing.

An annual celebration of LGBTQ+ communities, commemorating the Stonewall Riots of 1969. Observed worldwide in June through parades, events, and advocacy for equality.

A United Nations-designated day recognising the uniqueness, longevity, and versatility of the bicycle as a simple, affordable, and environmentally sustainable means of transport.

The United Nations' principal vehicle for encouraging global awareness and action for the protection of the environment. Celebrated annually on 5 June since 1973.

A US federal holiday commemorating the emancipation of enslaved African Americans on 19 June 1865. Now widely observed as a celebration of freedom and African American culture.

A United Nations-designated day to honour refugees worldwide and raise awareness of the strength and courage of people forced to flee their homes.

A United Nations-designated day to raise awareness of the many benefits of practising yoga. Celebrated globally since 2015 on the summer solstice.

A day to honour fathers and paternal figures, observed on the third Sunday of June in many countries. A celebration of fatherhood and its influence on society.

An annual international day in honour of Nelson Mandela, calling on people to dedicate 67 minutes of their time to community service — one minute for each year of his public service.

A United Nations-designated day promoting the role of friendship in fostering peace among peoples, countries, cultures, and individuals.

A day to pay tribute to aid workers who risk their lives in humanitarian service and to rally support for people affected by crises around the world.

A UNESCO-designated day to raise awareness of the importance of literacy as a matter of dignity and human rights, and to advance the literacy agenda towards a more literate and sustainable society.

A United Nations-designated day devoted to strengthening the ideals of peace, through observing 24 hours of non-violence and ceasefire.

An international awareness day to raise awareness and challenge the stigma that surrounds Alzheimer's disease and dementia.

The UK's largest celebration of inclusion in the workplace, encouraging organisations to take action on creating inclusive cultures where everyone can thrive.

A United Nations-designated day to raise awareness of issues affecting older people and to appreciate the contributions that older people make to society.

A UNESCO-designated day to celebrate and honour teachers worldwide, recognising their contributions to education and the development of society.

An annual day of awareness held on the second Thursday of October to focus global attention on vision impairment and blindness.

A day for global mental health education, awareness, and advocacy against social stigma. Organised by the World Federation for Mental Health and supported by the WHO.

A day of action dedicated to tackling global hunger, celebrated to mark the founding of the Food and Agriculture Organization of the United Nations.

An annual celebration on 31 October with origins in Celtic harvest festivals. Now widely observed with costumes, trick-or-treating, and themed events.

The Hindu festival of lights, symbolising the victory of light over darkness and good over evil. Celebrated by millions worldwide with lamps, fireworks, feasts, and family gatherings. Date is approximate.

A memorial day observed in Commonwealth countries to honour armed forces members who died in the line of duty. Marked by two minutes of silence at 11:00 on the 11th day of the 11th month.

An international observance introduced by the World Kindness Movement to highlight good deeds in the community and focus on the positive power of kindness.

A global awareness day for men's and boys' health, improving gender relations, promoting gender equality, and highlighting positive male role models.

A US national holiday celebrated on the fourth Thursday of November. A day of giving thanks, family gatherings, and feasting.

An international day dedicated to raising awareness of the AIDS pandemic caused by HIV, and mourning those who have died from the disease.

A United Nations-designated day to promote the rights and well-being of persons with disabilities, and to increase awareness of their situation in every aspect of life.

The Jewish Festival of Lights, commemorating the rededication of the Second Temple in Jerusalem. Celebrated for eight nights with the lighting of the menorah. Date is approximate.

A United Nations-designated day to recognise and promote the tireless work of volunteers and their organisations. A mandate for celebrating the power of volunteerism.

A day marking the adoption of the Universal Declaration of Human Rights by the United Nations General Assembly in 1948. A reminder of the fundamental rights and freedoms of all people.

The shortest day and longest night of the year in the Northern Hemisphere. Celebrated by many cultures as a turning point towards longer days and the return of light.

A globally celebrated holiday commemorating the birth of Jesus Christ. Widely observed as a cultural and commercial event with gift-giving, decorations, and family gatherings.

The first day of the year in the Gregorian calendar. A time for reflection on the past year and setting intentions for the new one.

A US federal holiday honouring the legacy of civil rights leader Dr. Martin Luther King Jr. and his contributions to equality and justice.

An annual observance originating in the US and now celebrated internationally, dedicated to honouring the history, achievements, and contributions of Black communities.

A global awareness day led by the Union for International Cancer Control (UICC) to raise awareness, improve education, and catalyse action against cancer.

A celebration of love and appreciation, observed in many countries around the world on 14 February.

An unofficial holiday encouraging people to practise kindness and perform good deeds for others without expecting anything in return.

The beginning of the Chinese lunar calendar year, celebrated by communities worldwide with family gatherings, feasts, and cultural traditions.