In a non-leap year, some people born on the 29th celebrate their birthdays on the 28th of February, while others celebrate on the 1st of March.
Here is one sure thing, if you were born on the 29th of February, you were born on the 60th day of the year and the day after the 28th. So whether you celebrate on the 28th or the 1st, you complete a full year on the day after the 28th, even in non-leap years. Read more