When Is National Bleach Day?


National Bleach Day is on the 21st of March with 4 tweets.

More on Bleach Day below.



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About Bleach Day

Is It Bleach Day Today?

It's Bleach day on the 21st of March.

Bleach Day' is by our calculation on: March the 21st. The first time we detected Bleach Day was the 21st of March 2015 and the most recent detection of references to Bleach Day was 3 years, 9 months ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 21st of March. In total we detected 75 total unique days being shared such as Down Syndrome Day which had 1,018 people talking about it, or Fragrance Day having 523 tweets. A random sample of which are shown below.


National days on the 21st of March

National Bleach Day, on the 21st of March

How Is The Date For Bleach Day Calculated?

The day shown for 'National Bleach Day' is based off how much chitter-chatter and buzz there was on March 21, 2015 across social media making references to 'Bleach 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: Common Courtesy, Quilting or Proposal Day. This crowdsourcing of data method to assess the National Bleach 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 Bleach Day

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

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National Bleach Day

It's Bleach Day
On March 21st

Can I Register Bleach Day?

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

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

We have also detected mentions of Bleach day on;



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