The importance of planning your marketing and publicity in advance cannot be over-stated. Being able to plan and budget proactively saves a lot of stress and money.
With that in mind here's a list of events for 2025. It's by no means complete or exhaustive but once you've been suitably enthused and inspired I'm sure many more will come to mind.
Not every one will work for your particular business. Choose and invest in those that have the greatest meaning and potential for you.
January

1st January
New Year’s Day
Promote resolutions or fresh starts.

25th January
Burns Night
Celebrate Scottish culture with themed promotions or events.

Third Monday
Blue Monday
Focus on mental health awareness with uplifting initiatives.
February

14th February
Valentine’s Day
Celebrate love with gifts and experiences.

Date varies
Shrove Tuesday
Promote pancake-related products or events.

17th February
National Random Acts of Kindness Day
Encourage community kindness initiatives.
March

1st March
St. David’s Day
Celebrate Welsh culture with promotions.

Date varies
Mothering Sunday
Focus on gifts and experiences for mothers.

Around 20th March
Spring Equinox
Welcome spring with seasonal offers.

Ramadan
Ramadan in 2025 is expected to begin on the evening of Sunday, 9th March, and will likely end on the evening of Monday, 7th April. However, the exact dates may vary based on the sighting of the moon.

8th April
Eid
Eid al-Fitr in 2025 is expected to be celebrated on Tuesday, 8th April.
April

1st April
April Fool’s Day
Create fun, light-hearted promotions or pranks.

Date varies
Easter
Offer themed products and family-friendly events.

22nd April
Earth Day
Highlight sustainability efforts and eco-friendly products.
May

1st May
May Day
Celebrate spring with floral promotions or outdoor events.

First Monday in May
Bank Holiday Weekend
Host special sales or community events.

Second Sunday
National Children’s Day
Engage families with child-focused promotions.
June

Third Sunday
Father’s Day
Promote gifts and experiences for fathers.

Around 21st June
Summer Solstice
Welcome summer with seasonal sales.

Throughout the Month
Pride Month
Celebrate diversity with themed campaigns supporting LGBTQ+ communities.
July

14th July
Bastille Day
Highlight French culture or cuisine if applicable. Other national days occur throughout the year, think about your local community and own heritage.

Pick a Hot Week
National Ice Cream Month
Welcome summer with seasonal sales.

Late June to Early July
Wimbledon
Engage tennis fans with themed promotions.
August

Last weekend in August
Notting Hill Carnival
Celebrate Caribbean culture with vibrant promotions.

15th August
National Relaxation Day
Promote wellness products or services.

Last Monday in August
Bank Holiday Weekend
Host end-of-summer sales or events.
September

End of holidays
Back to School Season
Target students and parents with school-related promotions.

Around 22nd September
Autumn Equinox
Welcome Autumn (Fall) with seasonal offerings

21st September
World Gratitude Day
Encourage customer appreciation initiatives.
October

31st October
Halloween
Host themed events or spooky promotions.

Throughout October
Black History Month
Celebrate diversity and heritage through themed initiatives.

First Thursday in October
National Poetry Day
Engage audiences through creative writing competitions or workshops.
November

5th November
Guy Fawkes Night
Promote bonfire and firework-related entertaining, products or safety tips.

11th November
Remembrance Day
Honour veterans and promote community involvement in remembrance activities.

Day after Thanksgiving in the US
Black Friday
Major sales event to boost retail traffic.

2nd Novermber (See below)
Diwali
Diwali in 2025 will be celebrated on Sunday, 2nd November in the UK. Diwali, also known as the Festival of Lights, is observed on the darkest night of the month of Kartika, which varies each year.
December

Most of December
Christmas
Celebrate the festive season with themed promotions and events.

Date varies, usually in December
Hanukkah
Acknowledge the festival of lights with relevant marketing.

31st December
New Year’s Eve
Promote celebrations and reflections on the past year.
Hopefully there are enough above to get you thinking about how you can mobilise your 2025 (and following years) into one of growth and success!
Here are a few more to keep you thinking.
National Saints Days
England
St George's Day: 23rd April
Scotland
St Andrew's Day: 30th November
Wales
St David's Day: 1st March
Ireland
St Patrick's Day: 17th March
Sports Events in 2025
Rugby World Cup
8th September - 28th October (France)
FIFA Women's World Cup
10th July - 20th August (Aus/NZ)
World Athletics Championships
19th July - 27th July (Tokyo, Japan)
Cricket World Cup
October (exact dates TBA) (India)
UEFA European Championship
June - July (exact dates TBA) (Germany)
Pan American Games
20th October - 5th November (Santiago, Chile)
Annual Sports
The London Marathon
Typically held in April, this iconic marathon attracts runners from around the world.
Wimbledon
The prestigious tennis tournament takes place over two weeks in late June to early July.
The Open Championship
This major golf tournament is usually held in July at various historic courses across the UK.
The Six Nations Championship
A rugby union competition held annually between England, Scotland, Wales, Ireland, France, and Italy, typically from February to March.
The Great North Run
A half marathon held in September, it’s one of the largest running events in the UK.
The FA Cup Final
The final match of the oldest football competition in the world takes place at Wembley Stadium in May.
British Grand Prix
Part of the Formula 1 calendar, this race usually occurs in July at Silverstone Circuit.
The Boat Race (Oxford vs. Cambridge)
This historic rowing race takes place annually on the River Thames, typically in late March or early April.
Royal Ascot
Takes place in June each year. In 2025, it is scheduled for Tuesday, 17th June to Saturday, 21st June..
Grand National
In 2025 is scheduled to take place on Saturday, 5th April. This famous horse race is held annually at Aintree Racecourse near Liverpool.