It is Leap Day, which means some babies born today have to wait four years to celebrate their first birthday.
WXYZ spoke with one mom who gave birth to her baby boy a little after midnight at Beaumont Hospital in Royal Oak.
Monica Nafsu said, "I didn't even know it was a leap year."
Her baby boy's name is either Luke or Jonah. She hasn't decided on a name yet.
Nafsu is a second time mom, delivering her baby boy a week early.
She spent Sunday attending someone else's baby shower when she started to go into labor.
"On the way home was having contractions every 5 minutes. Went home, changed, went to Costco, left Costco, came back home contractions were getting stronger."
By 8 pm Sunday, she came to the hospital and four hours later, her son was born at 12:04 on February 29th, making him the first leap day baby of 2016 at Beaumont.
"I was excited because he will be special and it would be a conversation starter, and then I was sad because he wouldn't be able to celebrate birthdays at school."
The doctor asked, "What day would you celebrate?" Monica answered, "It depends on my schedule."
It's the least Luke/Jonah can do for his mom since he threw off her schedule today.
Monica's older son Jude is 13-months-old. He was born last January and his birth was pretty eventful too.
She said, "I was supposed to get induced that Tuesday. I went to MGM to have dinner with my family and had contractions on the way there but ignored them and then during dinner contractions came sooner and stronger. I met Wolfgang Puck that day and he's like 'oh don't worry about we have sterilized knives in the back.' It's just a big joke, 'oh you look fine you are not going into labor."
Monica says her Leap Day baby will always have a special birthday.
"He will be young forever which is nice, having one birthday every four years."
As of this afternoon - there were five babies born here at Beaumont Hospital in Royal Oak -- but that number could go up before 11:59pm.