Alfredo Trujillo was delivered at 11.45pm on New Year's Eve.
A set of American twins born fifteen minutes apart have birthdays in two different years.
Alfredo Trujillo was delivered at 11.45pm on New Year's Eve 2021 while his sister Aylin was born just over 15 minutes later, in 2022.
Navidad Medical Center in California, where they babies were delivered, estimate the likelihood of twins being born in tw0 different years is about one in two million.