when does the twelve days of christmas start

The 12 Days of Christmas officially begins on December 25th, the day after Christmas Day. However, some people consider the celebration to start on December 26th, as that is the day when the twelve days of Christmas begin. The twelve days are December 26th through January 6th, which is the day before the Epiphany, also known as the Feast of the Three Kings. So, if you're planning to celebrate the 12 Days of Christmas, you'll have plenty of time to prepare!