When Is National Space Day?


National Space Day is on the 5th of May with 992 tweets.

More on Space Day below.



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About Space Day

Is It Space Day Today?

It's Space day on the 5th of May.

Space Day' is by our calculation on: May the 5th. The first time we detected Space Day was the 1st of May 2015 and the most recent detection of references to Space Day was 7 months, 1 week ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 5th of May. In total we detected 88 total unique days being shared such as Cartoonist Day which had 722 people talking about it, or Astronaut Day having 585 tweets. A random sample of which are shown below.


National days on the 5th of May

National Space Day, on the 5th of May

How Is The Date For Space Day Calculated?

The day shown for 'National Space Day' is based off how much chitter-chatter and buzz there was on May 5, 2017 across social media making references to 'Space 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: Prayer, Star Wars or Space Day. This crowdsourcing of data method to assess the National Space 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 Space Day

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

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National Space Day

It's Space Day
On May 5th

Can I Register Space Day?

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

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

We have also detected mentions of Space day on;



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