Boxing Day is an English thing, some other ex colonies continue to use it.
My parents didn't have Boxing Day as a holiday in Scotland
In Australia, Boxing Day is a public holiday in all jurisdictions except the state of South Australia, where a public holiday known as Proclamation Day is celebrated on the first weekday after Christmas Day or the Christmas Day holiday. Both the Boxing Day Test cricket match held at the Melbourne Cricket Ground and The Sydney to Hobart Yacht Race begin on Boxing Day.
In Canada, Boxing Day (French: le Lendemain de Noël) is a federal statutory holiday. Government offices, banks and postal services are closed. In Ontario, and other Canadian provinces, it is a provincial statutory holiday. In Newfoundland & Labrador, however, it is not only a federal and provincial statutory holiday, but also a retail holiday. While the rest of Canada goes into a retail frenzy on December 26, Newfoundlanders and Labradorians must wait until December 27 to hunt for after-Christmas bargains.
In Hong Kong, despite the transfer of sovereignty from the UK to China in 1997, Boxing Day is a general holiday as the first weekday after Christmas.
In Ireland, when the entire island was part of the United Kingdom, the Bank Holidays Act 1871 established the feast day of Saint Stephen as a non-moveable public holiday on 26 December. Following partition in 1920, Northern Ireland reverted to the British name, Boxing Day. In County Donegal, particularly in East Donegal and Inishowen, the day is also popularly known as Boxing Day.
In New Zealand, Boxing Day is a statutory holiday. On these holidays, people who must work receive 1+1⁄2 times their salaries and a day in lieu is provided to employees who work.
In Nigeria, Boxing Day is a public holiday for working people and students. When it falls on a Saturday or Sunday, there is always a holiday on Monday.
In Scotland, Boxing Day has been specified as an additional bank holiday since 1974, by royal proclamation under the Banking and Financial Dealings Act 1971.
In Singapore, Boxing Day was a public holiday for working people and students; when it fell on a Saturday or Sunday, there was a holiday on Monday. However, in recent years this tradition has ceased in Singapore.
In South Africa, the Day of Goodwill, which falls on 26 December, is a public holiday.
In Trinidad and Tobago, Boxing Day is a public holiday.
In the UK, 26 December (unless it is a Sunday) has been a bank holiday since 1871. When 26 December falls on a Saturday, the associated public holiday is on the following Monday. When 26 December falls on a Sunday, the public holiday is the following Tuesday, Monday being the public holiday associated with Christmas Day. The same practice is observed in Canada.
In the British overseas territory of Bermuda, the costumed Gombey dancers perform throughout the mid-Atlantic island on Boxing Day, a tradition believed to date back to the 18th century when slaves were permitted to gather at Christmastime.
In Massachusetts, Governor William F. Weld declared in 1996 that every 26 December is Boxing Day, in response to the efforts of a coalition of British citizens to "transport the English tradition to the United States", but not an employee holiday.