When Is National Infant Sibling Day?

About Infant Sibling Day

Is It Infant Sibling Day Today?

It's Infant Sibling day on the 11th of April.

Infant Sibling Day' is by our calculation on: April the 11th. The first time we detected Infant Sibling Day was the 11th of April 2015 and the most recent detection of references to Infant Sibling Day was 3 years, 8 months ago.

We're now tracking the sentiment around every mention of Infant Sibling day to show how people feel about Infant Sibling. See if people like Infant Sibling here.
We're detecting how Infant Sibling affects other things more widely than just being a celebrated day. See how Infant Sibling affects company share prices.

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 11th of April. In total we detected 169 total unique days being shared such as Siblings Day which had 72,908 people talking about it, or Sibling Day having 70,229 tweets. A random sample of which are shown below.

National days on the 11th of April

How Is The Date For Infant Sibling Day Calculated?

The day shown for 'National Infant Sibling Day' is based off how much chitter-chatter and buzz there was on April 11, 2015 across social media making references to 'Infant Sibling Day'. Our algorithms examine all of the references to National Days across social media and updates whatnationaldayisit.com hourly, with our homepage displaying the current national day, including others such as: Law Enforcement Appreciation, Pet or Sibs Day. This crowdsourcing of data method to assess the National Infant Sibling Day date is used as opposed to being connected with any Government sacntioned lists :D Hurrah for democracy by concensus!

I'd Like To Promote National Infant Sibling Day

We've put together the following resources full of nifty tips on how to increase the reach of Infant Sibling Day. The resources include: graphs, badges, and resources on what steps to take to boost Infant Sibling Day's visibility.

Get The Badge

It's Infant Sibling Day
On April 11th

Can I Register Infant Sibling Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Infant Sibling day". We only aim to programatically reflect what 'National Day' it is based of what The Internet Says It Is. We believe this is much more fun as it reflects the nature of how the most amusing / interesting national days are often created organically and grow based off popular social trends and sharing, as such we don't add new days to our database unless they are organically observed on social media.

Is it National Infant Sibling Day Everywhere?

Yes? No.. Sort of | Maybe ¯\_(ツ)_/¯

What's really intersting is how whilst some National Days like National Daughters Day are seemingly celebrated internationally irrespective of geography, some very popular days (That often become the No. 1 National Day on our homepage) are in fact locally very specific and are offical holidays celebrated on a Country's national calendar. Take National Rambutan Day for instance, Rambutan is a popular Souteast Asian fruit and not seen so much in the UK, Europe or the USA. Some regionally specific trends subsequently become immensely popular internationally and worldwide, partly fuelled by widely shared 'National Days', National Pabebe Wave Day being one such example.

Hang On, It Was National Infant Sibling Day Already This Year..!?

Yes, this is strangely enough entirely possible. The date shown for National Infant Sibling Day can change, if for instance several hundred people tweeted about Infant Sibling Day in early April, then in May a few thousand people tweeted about Infant Sibling day, then the date shown for National Infant Sibling Day, could come up twice :D

We have also detected mentions of Infant Sibling day on;

apr 11th43

<iframe src="https://whatnationaldayisit.com/today_badge/"  height = "300px"    frameborder="0" scrolling="no"</iframe>