Twelfth Day

American  

noun

1. the 12th day after Christmas, January 6, on which the festival of the Epiphany is celebrated: formerly observed as the last day of the Christmas festivities.

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Twelfth Day British  

noun

1. 1. Jan 6, the twelfth day after Christmas and the feast of the Epiphany, formerly observed as the final day of the Christmas celebrations

   2. ( as modifier )

      Twelfth-Day celebrations

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Etymology

Origin of Twelfth Day

before 900; Middle English; Old English

Example Sentences

The contest is held annually on the twelfth day of Christmas except when 6 January falls on a Sunday.

From BBC

“For the twelfth day, under extreme conditions of heat and strong winds, we are fighting nonstop on dozens of forest fire fronts. … The Greek Fire Service has battled more than 500 fires — more than 50 a day,” said Vassilis Kikilias, the minister for climate crisis and civil protection.

From Washington Times

And so it was that on the twelfth day after our departure, we were finally reunited with Mamá.

From Literature

On the twelfth day out from Elephant Island, however, they discovered a potential disaster.

From Literature

Other gatherings were due later, including in the United States, where tens of thousands of demonstrators amassed in Washington and other U.S. cities on Saturday for a twelfth day of protest.

From Reuters