Why does our calendar include a 29th day in February every 4 years; and why’s it called “Leap Year”?

What about babies born on February 29th of a Leap Year? Do they celebrate theirs on February 28th or March 1st?

Century years are only leap years if they are divisble by 400. Thus 2000 was, but 2100 will not be a leap year. This is because having a leap year every four years led to overcompensation over centuries, so that Easter started to creep closer and closer to xmas. So Pope Gregory XIII reformed the calendar developed by Julius Caesar, and this is the calendar we use today.

I used to think that if your birthday was Feb 29, you would only add a year to your age every four years, so you would be an old man before you could turn 21! Seems like a long time to wait before you can legally buy a drink, so I guess that’s why most people don’t follow that system…

Actualy a year is a littlle longer then 365 days! It’s about 365 days and a quarter, so those quartes add up to a whole day every 4 years… It’s just easier to count days this way… My friend celebrates on March 1st but I guess it’s optional…


It’s becuase the calendar is a little off from the actual orbit around the sun. A day is not exactly 24 hours, it’s like 23 hours and 59 minutes. That adds up after 4 years.
Birthdays are whenever that person decides, there is no standard

a leap year is the year that can be devided by 4
lets take a cycle 4 years
the first year will be 365.25 days
the second will be 365.5 days
the third year will be 365.75 days
the 4th year will be 366 days which can be devided be 4 and called a leap year

Because there are not 365 days in one year. there is a little less. we use that day just to make up time we lost.

my friend was born on that day, and he celebrates it on the march 1st.

technically, they celebrate their birthdays once every four years. but maybe they do it for 1 minute after the midnight of 28feb

because some people say leap year

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