World Vitamin D Day is celebrated on 2 November every year. This day aims to raise awareness about the importance of vitamin D for general health and well-being. Vitamin D plays a crucial role in bone health, immunity, cardiovascular and mental health, among other benefits. The date is an opportunity to educate people about how to get adequate vitamin D through sun exposure, diet and supplementation, and to emphasise the importance of maintaining healthy levels of this vitamin for a healthy life.