So, what do you do when your birthday disappears from the calendar? On a non-Leap Year, some leapers choose to celebrate the big day on Feb. 28. Some choose to celebrate on March 1. Some even ...

NEW YORK--Leap year. It’s a delight for the calendar and math nerds among us ... Since, as an adult, she marks that non-leap period between Feb. 28 and March 1 with a low-key “whew.” ...

Leap years happen because of a “mismatch between the calendar year and Earth’s orbit ... to celebrate their birthday on March 1 on non-leap years. If that’s you, happy (slightly late ...

Every fourth year, those extra quarter-days get added to the calendar to make one full day – February 29. 2 This means every leap year has 366 days! 3 A leap year happens when the year can be ...