This riddle sounds impossible only if you assume the children were born on ordinary days far apart on the calendar.
They could have been born right around midnight on New Year’s Eve. For example, one child could be born at 11:59 p.m. on December 31 and the other at 12:01 a.m. on January 1.
Answer: They were born two minutes apart across midnight on New Year’s Eve.
That places one birthday in December and the other in January while keeping the actual time between the births to just two minutes.


