When Is National Ion Day?


National Ion Day is on the 17th of June with 4 tweets.

More on Ion Day below.



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About Ion Day

Is It Ion Day Today?

It's Ion day on the 17th of June.

Ion Day' is by our calculation on: June the 17th. The first time we detected Ion Day was the 17th of June 2015 and the most recent detection of references to Ion Day was 3 years, 5 months ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 17th of June. In total we detected 73 total unique days being shared such as Lukes Right Testicle Day which had 2,278 people talking about it, or Eat Your Vegetables Day having 896 tweets. A random sample of which are shown below.


National days on the 17th of June

National Ion Day, on the 17th of June

How Is The Date For Ion Day Calculated?

The day shown for 'National Ion Day' is based off how much chitter-chatter and buzz there was on June 17, 2015 across social media making references to 'Ion 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: Oakland, Eat Your Veggies or Aboriginal Day. This crowdsourcing of data method to assess the National Ion 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 Ion Day

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

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National Ion Day

It's Ion Day
On June 17th

Can I Register Ion Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Ion 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 Ion 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.

teenagers sharing national days on social media

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

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

We have also detected mentions of Ion day on;



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For people who wish to promote National Ion Day, we've put together the following resources.
See also: How does Ion affect the share price of Apple, Facebook, Microsoft?
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