UK 2025 December Social Media Content Calendar for Marketing
- Hookle
- 9 hours ago
- 4 min read
In this article, we’ve put together a clear list of UK-relevant holidays and events to help you plan engaging social media content for December. As a bonus, we’ll also show you how tools like Hookle can simplify your planning, save time, and keep your social media consistent throughout the festive season.
Table of Contents
Bonus tip 💡: Schedule Your December Posts in Advance
December is a festive and reflective month in the UK, bringing together cherished traditions, cosy moments, and a sense of togetherness as the year comes to an end. For small businesses and entrepreneurs, it's a crucial opportunity to strengthen connections with customers through warm, timely, and engaging content.
Beyond major seasonal highlights like Christmas and Boxing Day, the month also includes cultural and religious celebrations observed within the UK, such as Hanukkah (10-18 December) and Kwanzaa (26 December - 1 January).
Hanukkah, the Festival of Lights, is celebrated by Jewish communities across the UK. It honours the miracle of the menorah and the triumph of light over darkness - making it perfect for thoughtful, uplifting posts. Increase visibility with hashtags such as #Hanukkah and #FestivalOfLights.
Kwanzaa, while less widely observed, is recognised in the UK as a celebration of African heritage, unity, and culture. It’s a meaningful moment to highlight community, purpose, and shared values. Relevant hashtags include #Kwanzaa and #AfricanHeritage.
With so many rich traditions and seasonal moments, December offers endless opportunities for authentic, heartwarming content.
Let’s dive in and make the most of this joyful and festive month!
December 1st: World AIDS Day
World AIDS Day is a day to raise awareness about HIV/AIDS, show support for those living with the disease, and remember those who have passed away. Let's spread awareness and encourage regular testing for a healthier world. And remember to use #WorldAIDSDay #HIVAwareness to spread the word.
December 3rd: International Day of Persons with Disabilities
This day aims to promote the rights and well-being of people with disabilities. Let's celebrate their contributions to society and advocate for an inclusive world. Don't forget hashtags #IDPD #InclusionMatters in your posts.
December 7th: Christmas Jumper Day (Save the Children UK)
Christmas Jumper Day is a much-loved UK charity tradition where people wear their brightest, funniest, or cosiest jumpers to raise money for Save the Children. It’s a perfect opportunity for businesses to show personality, support a good cause, and join in the festive fun.
Post idea: Share team photos in Christmas jumpers, highlight your donation, or encourage your audience to join the campaign using #ChristmasJumperDay.
December 7th: Small Business Saturday UK
Small Business Saturday UK is a nationwide campaign encouraging people to shop local and support independent businesses. It’s one of the biggest days of the year for UK entrepreneurs, offering a prime moment to showcase your products, share your story, and highlight what makes your business unique.
Post idea: Share behind-the-scenes content, promote special offers, or spotlight other local businesses you collaborate with. Use #SmallBizSaturday and #ShopLocalUK to join the national conversation.
December 10th: Human Rights Day
Advocate for equality, justice, and dignity for all on this day. Let's stand up for human rights and promote a world where every person is treated with respect with the hashtags #HumanRightsDay #EqualityForAll.
December 14th: Sustainable Entrepreneurship Day
Join us in celebrating Sustainable Entrepreneurship Day - a day to highlight and promote sustainable business practices. Let's inspire a future where entrepreneurship thrives while respecting and preserving our planet along with hashtags #SustainableEntrepreneurshipDay #SustainableBusiness.
December 20th: National Ugly Sweater Day
Get into the holiday spirit by donning your most festive, quirky sweaters. Share photos and engage your audience with a fun-filled day of fashion. Don't forget the hashtags #UglySweaterDay #HolidaySpirit.
December 21st: Winter Solstice
The shortest day of the year and a time to embrace the longer nights. Share cozy moments, traditions, and welcome the return of light with these hashtags #WinterSolstice #EmbraceTheDarkness.
December 24 - 25th: Christmas Eve & Day
Spread the joy and magic of Christmas by sharing festive content, holiday traditions, and warm wishes with your audience. May your day be merry and bright! Use the following hashtags #Christmas #JoyToTheWorld to get more eyeballs to your content.
December 27-30th: Twixmas
Twixmas is the calm, in-between period after Christmas and before New Year’s Eve - a uniquely British downtime when many people relax, reset, and start planning for the year ahead. It’s an ideal moment for softer, more reflective content that keeps your brand visible without feeling too salesy.
Post idea: Share relaxed behind-the-scenes moments, year-in-review highlights, opening hours, gentle reminders about gift card use, or sneak peeks of what’s coming in January. Use this quiet window to reconnect with your audience in a warm, low-pressure way.
December 26th: Boxing Day
In many countries, Boxing Day is a time for giving back and helping those in need. Encourage acts of kindness and generosity in the spirit of the season along with these hashtags #BoxingDay #GiveBack.
December 31st: New Year's Eve
As the year comes to a close, share your reflections, goals, and hopes for the upcoming year. Celebrate the end of a chapter and the start of a new one! Use these hashtags #NewYearsEve #Goodbye2025 to reach more audiences.
Schedule Your December Posts in Advance
Incorporating these UK holidays and seasonal moments into your December social media plan is a great way to add variety, stay relevant, and boost engagement. Just remember to tailor each post so it resonates with your audience and stays true to your brand’s voice.
If brainstorming fresh ideas feels overwhelming, let AI give you a hand. Tools like ChatGPT can help you explore different angles, while apps like Hookle make it easy to turn those ideas into polished, ready-to-publish posts.
With Hookle, you can seamlessly schedule posts across all your social channels in advance
With Hookle, a single tap can generate an AI-curated social media post and schedule it across all your channels in advance. You can also customise the content for each platform when needed - helping you stay consistent while saving valuable time to focus on running your business.
But don’t just take our word for it - try it yourself. Download Hookle free and enjoy seamless marketing today!
.png)
.png)
.png)