On Christmas Jumper Day, All peoples wear jumpers (silly sweaters) in their schools, colleges, offices, and with friends.
This day is specially made to give charity for children of whole worlds who need education, basic healthcare, etc.
More than £30 million spent on this occassion since 2012 when it started
On this day, it's necessary to give charity of £2 if you are a working person. Rather if you are a student, you have to pay £1. Everyone can also give more if they want.
In 2022, the Christmas jumper is taking place on December 8 after the official announcement of the UK government.