When Is National Harry Potter Day?


National Harry Potter Day is on the 26th of June with 160 tweets.

More on Harry Potter Day below.



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About Harry Potter Day

Is It Harry Potter Day Today?

It's Harry Potter day on the 26th of June.

Harry Potter Day' is by our calculation on: June the 26th. The first time we detected Harry Potter Day was the 20th of April 2015 and the most recent detection of references to Harry Potter Day was 1 year, 5 months ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 26th of June. In total we detected 60 total unique days being shared such as Catfish Day which had 421 people talking about it, or Chocolate Pudding Day having 363 tweets. A random sample of which are shown below.


National days on the 26th of June

National Harry Potter Day, on the 26th of June

How Is The Date For Harry Potter Day Calculated?

The day shown for 'National Harry Potter Day' is based off how much chitter-chatter and buzz there was on June 26, 2017 across social media making references to 'Harry Potter 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: Hiv Testing, Selfie or Pink Day. This crowdsourcing of data method to assess the National Harry Potter 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 Harry Potter Day

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

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National Harry Potter Day

It's Harry Potter Day
On June 26th

Can I Register Harry Potter Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Harry Potter 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 Harry Potter 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 Harry Potter Day Already This Year..!?

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

We have also detected mentions of Harry Potter day on;



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