When is National Day?

December 18th, celebrate all things twin.

With such a special connection, it’s not uncommon for twins to have an entire day to themselves.

Image of two identical twin boys


Image of two identical twin boys

When is National Day?

National Twins Day is celebrated on December 18 every year.

About 1.6 million sets of twins are born each year around the world, according to BBC News.

“Africa and Asia currently account for about 80 percent of all twins in the world.”

When is National Day officially inaugurated?

National Day is officially announced according to the National Day Calendar 2019.

Here are some fun ways to celebrate Independence Day:

  1. Share photos or videos on social networks of your favorite memories with your favorite twins; they could be family, friends, or even your own twin.
  2. Throw a twin party by inviting your twin friends and get the invitees to find the one who looks the most like them to pose as twins for a day.
Image of a boy and a girl


Image of a boy and a girlCredit: Getty – Contributor

What is the difference between identical twins and fraternal twins?

Identical twins develop from a single and identical fertilized egg DNA, although they may not be exactly the same.

Twins develop from two separate fertilized eggs and do not contain the same DNA. Examples of siblings include boy and girl twins.

“Boys have XY and girls have XX. Boy-girl twins occur when one X egg is fertilized with an X sperm and a Y sperm fertilizes the other X egg.” according to

Some twins may even have different birthdays due to delays in birth.

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