One Floral Park couple had a Christmas miracle on Friday: their second Christmas Day baby, born exactly two years after his big brother.

Vic and Karyn Faster had expected their newborn, Nicholas, days ago. But Nicholas — who weighed in at 10 pounds, 3 ounces, and is 22.5 inches long — took his time.

“The second baby usually goes early, so we were expecting the 10th, 11th, the 12th,” said Karyn Faster, 33, a fifth-grade teacher in the Elmont school district, resting Friday at Katz Women’s Hospital at Long Island Jewish Medical Center in New Hyde Park. “When those dates passed, I said, ‘It’s meant to be.’ ”

She confessed: “I secretly was hoping it would happen the same day.”

The Fasters attended afternoon Mass as usual at Our Lady of Victory Church in Floral Park on Thursday along with their toddler, Anthony. They even made it through a family dinner and were getting ready for bed before Karyn turned to Vic and said: “We’ve got to go.”

Nicholas was born at 6:40 a.m. Christmas Day. By the afternoon, he was sleeping quietly in his mother’s arms.

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His parents talked about his new-baby smell and his size: he was, Karyn said, the Chevrolet Suburban of babies.

They were exhausted but thrilled. Said Vic Faster, 37, who works for Con Ed: “He’s a beautiful baby boy. We’re so happy and so proud.”