A major public holiday in the UK and worldwide, celebrating the birth of Jesus Christ, marked by family gatherings, feasts, and gift-giving.

A public health campaign urging people to abstain from alcohol for the entire month of January to reset their relationship with alcohol.

A month dedicated to promoting mentorship and encouraging individuals to mentor or seek a mentor.

The first day of the year in the Gregorian calendar, observed as a public holiday, marking the start of a new calendar year.

A mental well-being initiative encouraging people to be active every day in January, aiming to boost mental health at the start of the year.

A non-profit organization encouraging people worldwide to try veganism for the month of January and beyond.

A month dedicated to encouraging dog owners to prioritize walking their dogs, even in cold weather, for the benefit of both pet and owner.

An informal day dedicated to celebrating introverts and raising awareness about their personality type and needs.

An informal day encouraging rest and recovery after the busy holiday season.

A UN observance celebrating the birthday of Louis Braille, the inventor of braille, promoting accessibility and independence for people who are blind or visually impaired.

An informal day celebrating the popular pasta dish, spaghetti.

An informal day celebrating the traditional Scottish shortbread cookie.

A week dedicated to celebrating the mental and physical health benefits of houseplants and promoting sales within the UK.

A day dedicated to raising awareness about the prevention of human trafficking and the protection of victims.

A week dedicated to celebrating the mental and physical health benefits of houseplants and promoting sales within the UK.

A day to raise awareness of Paget's Disease of the bone, promoting early diagnosis and treatment.

Samaritans' antidote to 'Blue Monday' (the third Monday of January), encouraging people to get together over a cup of tea for a chat about mental health.

An informal day celebrating the creation of Winnie the Pooh, commemorating the birthday of author A.A. Milne.

A day dedicated to promoting inter-faith understanding and harmony, observed on the third Sunday of January.

A national campaign run by Citizens Advice and the Energy Saving Trust to help people cut their fuel bills and get all the financial support they are entitled to.

An annual RSPB event for children and schools to contribute to citizen science by counting the birds they see in their school grounds.

Traditionally claimed to be the most depressing day of the year, it now serves as an awareness day to promote mental health resources and open conversations about well-being in the New Year.

A campaign by Jo’s Cervical Cancer Trust to raise awareness of cervical cancer, promote screening, and highlight the importance of the HPV vaccine.

A US federal holiday marking the birthday of Martin Luther King Jr., celebrating his life, achievements, and his role in the Civil Rights Movement.

An informal day encouraging people to hug family and friends, promoting the physical and psychological benefits of hugging.

A day supporting the Race Against Dementia charity, raising funds for pioneering research into the prevention and cure of dementia.

An informal day celebrating the sweet and savoury pie.

An informal day celebrating peanut butter.

A UN day to celebrate the role of education for peace and development, reminding us that education is a human right and a public responsibility.

An annual celebration of the life and poetry of the Scottish poet Robert Burns, held on the day of his birthday, often involving a Burns supper.