When Is National Blood Day?


National Blood Day is on the 8th of June with 9 tweets.

More on Blood Day below.



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About Blood Day

Is It Blood Day Today?

It's Blood day on the 8th of June.

Blood Day' is by our calculation on: June the 8th. The first time we detected Blood Day was the 5th of May 2015 and the most recent detection of references to Blood Day was 3 years, 6 months ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 8th of June. In total we detected 297 total unique days being shared such as Best Friend Day which had 101,869 people talking about it, or Bestfriend Day having 41,138 tweets. A random sample of which are shown below.


National days on the 8th of June

National Blood Day, on the 8th of June

How Is The Date For Blood Day Calculated?

The day shown for 'National Blood Day' is based off how much chitter-chatter and buzz there was on June 8, 2015 across social media making references to 'Blood 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: Best Friends, Bff or Bestfriends Day. This crowdsourcing of data method to assess the National Blood 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 Blood Day

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

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National Blood Day

It's Blood Day
On June 8th

Can I Register Blood Day?

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

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

We have also detected mentions of Blood day on;



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