Your key social media calendar dates for 2026

by David Powell | 2 Jan 2026 | Insights

For PR and social media managers, the calendar is filled with dates and milestones that can strengthen your social media schedule.

Cullen Communications – Insights – Key Dates 2026

Now that we’re into a new calendar year, our social media content strategies for 2026 are beginning to take shape. Generating fresh ideas is not always easy but luckily there’s a ready supply of dates, milestones and national/international days that can bolster your posting schedule.

In this blog, we’ve picked out some of the key calendar dates that can not only help you to boost your visibility but raise awareness around certain causes or movements, and even start meaningful conversations with followers. There’s a mix of social, cultural, business-focussed and fun dates here (with some keywords for context) so help yourself and happy posting!

Relevant Insights

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Take the Pain Out of Posting: How a Content Calendar Can Save You Time and Stress

January

World Logic Day (14 Jan) – Reason, logic, problem-solving
Blue Monday (20 Jan) – Mental health, wellbeing, work-life balance
Data Protection Day (28 Jan) – GDPR, trust, transparency (very relevant for Irish & EU brands)

February

St Brigid’s Day (1 Feb) – Public holiday in Ireland, Irish culture, women, springtime
France v Ireland (5 Feb) – Opening game of 2026 Six Nations, Irish sport, sponsorship, branding
Safer Internet Day (10 Feb) – Online safety, digital wellbeing
World Radio Day (13 Feb) – Media, broadcast, audio, content, listenership
Valentine’s Day (14 Feb) – Customer love, staff appreciation, brand affinity
Lunar New Year (17 Feb) – Diversity, inclusion, global audience

March

B Corp Month (1-31 Mar) – Sustainability, business as a force for good
World Book and Copyright Day (5 Mar) – Copyright, content, publishing, book lovers
International Women’s Day (8 Mar) – Gender equality, women in business
World Sleep Day (13 Mar) – Wellbeing, productivity, work-life balance
Mother’s Day (15 Mar) – Families, mothers, lifestyle
St Patrick’s Day (17 Mar) – Public holiday in Ireland, Irish identity, culture, humour, diaspora
Clocks go forward (29 Mar) – Extra daylight, outdoor activity, wellbeing

April

April Fool’s Day (1 Apr) – Light-hearted, playful brand content
World Health Day (7 Apr) – Health, wellness, CSR
Earth Day (22 Apr) – Sustainability, ESG messaging
National Workplace Wellbeing Day (29 Apr) – Employer stories, work-life balance, engagement

May

Bealtaine Festival (1 May) – Irish arts, creativity, culture, ageing well, community
May Day (4 May) – Public holiday in Ireland, work-life balance, summer coming
Mental Health Awareness Week (11-17 May) – Diversity, neuroinclusion, storytelling
National Bike to Work Day (15 May) – Workplace, mobility, work-life balance, fitness

June

Pride Month (1-30 June) – Inclusion, diversity, authentic allyship
Earth Overshoot Day (5 Jun, TBC) – Sustainability, climate action, consumption
World Environment Day (5 Jun) – Climate, sustainability, ESG
Father’s Day (21 June) – Family-focused or lifestyle brands
Social Media Day (30 Jun) – Industry insights

July

All Ireland Hurling Final (12 July) – Irish sport, culture, branding
World Emoji Day (17 Jul) – Fun, high-engagement posts
Summer Holidays Season (1-31 July) – holiday humour, outdoor activity, Irish weather
World PR Day (16 Jul) – Public relations, storytelling, strategic communications
Al Ireland Football Final (26 July) – Irish sport, community, culture, rivalry
Friendship Day (30 July) – Community, customer relationships

August

International Youth Day (12 Aug) – Education, future skills
National Heritage Week (16-24 Aug) – Irish culture, history, tourism
Electric Picnic (28-30 Aug) – Culture, music, bands, branding, sponsorship

September

Back to School (early Sept) – Planning, productivity
World Suicide Prevention Day (10 Sept) – Sensitive, support-focused content
European Mobility Week (16-22 Sept) – Sustainability, mobility, transport
International Podcast Day (30 Sept) – Media, broadcasting, audio, content, branding

October

Start of ‘Heating Season’ (1 Oct) – Irish weather, heating, renewable energy, sustainability
Road Safety Week (5-12 Oct) – Awareness, mobility, road safety
World Mental Health Day (10 Oct) – One of the strongest engagement days
Dublin City Marathon (25 Oct) – Sport, fitness, community, good causes
Halloween (31 Oct) – Creative, humorous, seasonal content
European Cybersecurity Month (1-31 Oct) – Tech, finance, public sector

November

World Kindness Day (13 Nov) – Positive brand values
International Men’s Day (17 Nov) – Mental health, awareness, advocacy
Black Friday (date varies) – Retail, B2C, ethical sales discussions
Movember (1-30 Nov) – Men’s health awareness

December

Giving Tuesday (1 Dec) – Charity partnerships, CSR
Christmas (25 Dec) – Seasonal messaging (often pre-scheduled)
Year in Review/Wrapped (late Dec) – Performance highlights, reflection

Get help with your social strategy

Any dates we’ve left out? Be sure and let us know in the comments. And if your brand could do with a little help when it comes to social media management, we’d love to chat – contact us today for a free social media consultation. Thanks for reading!