Jusqu'à combien de semaines Boxing Day - UK?

Boxing Day is a holiday traditionally celebrated the weekday or Saturday following Christmas Day, when servants and tradesmen would receive gifts, known as a "Christmas box", from their masters, employers or customers, in the United Kingdom, The Bahamas, Barbados, Canada, Hong Kong, Australia, Bermuda, New Zealand, Kenya, South Africa, Guyana, Trinidad and Tobago, Jamaica and other former British colonies. Today, Boxing Day is the bank holiday or public holiday that generally takes place on 26 or 27 December. See wikipedia for more details.