When Is National Physics Day?

National Physics Day is on the 21st of April with 461 tweets.

More on Physics Day below.

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About Physics Day

Is It Physics Day Today?

It's Physics day on the 21st of April.

Physics Day' is by our calculation on: April the 21st. The first time we detected Physics Day was the 21st of April 2015 and the most recent detection of references to Physics Day was 1 year, 7 months ago.

We're now tracking the sentiment around every mention of Physics day to show how people feel about Physics. See if people like Physics here.
We're detecting how Physics affects other things more widely than just being a celebrated day. See how Physics 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 April. In total we detected 132 total unique days being shared such as Drug Test Day which had 3,756 people talking about it, or Surprise Drug Test Day having 3,342 tweets. A random sample of which are shown below.

National days on the 21st of April

National Physics Day, on the 21st of April

How Is The Date For Physics Day Calculated?

The day shown for 'National Physics Day' is based off how much chitter-chatter and buzz there was on April 21, 2015 across social media making references to 'Physics 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: Weed Drug TestinUnemployment, Pot Smoking Surprise Drug Test Unemployment or Weed Day. This crowdsourcing of data method to assess the National Physics 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 Physics Day

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

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National Physics Day

It's Physics Day
On April 21st

Can I Register Physics Day?

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

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

We have also detected mentions of Physics day on;

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