When Is National Bff Day?

The internet history of Bff Day

9th of June is National Bff Day

  First detected on the 12th of April 2015

  123,398 tweets

bff friends friends girls

Is It Bff Day Today?

It's Bff day on the 9th of June.

The most recent detection of references to Bff Day was 2 years, 9 months ago.

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up on the 9th of June. In total we detected 370 total unique days being shared such as Best Friend Day which had 121,202 people talking about it, or Best Friends Day having 52,606 tweets.


How Is The Date For Bff Day Calculated?

The day shown for 'National Bff Day' is based off how much chitter-chatter and buzz there was on June 9, 2015 across social media making references to 'Bff 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: Bestfriend, Bff or Bestfriends Day. This crowdsourcing of data method to assess the National Bff 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 Bff Day

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

Can I Register Bff Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Bff 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 Bff 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.


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


Hang On, It Was National Bff Day Already This Year..!?

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

We have also detected mentions of Bff day on;



Get The Badge

National Bff Day

It's Bff Day
On June 9th


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National Bff Day, on the 9th of June

Other Days

National Best-Friends Day
National Girlfriend Day
National Best-Friend Day
National Bff Day
National Girlfriends Day
National Friendship Day
National Bikini Day
National Cuddle-Up Day
National Friends Day
National Bffs Day
National Cheerleading Day
National Curly-Hair Day
National Handstand Day
National Lesbian Day
National Lingerie Day


For any media or sponsorship queries, please contact info@whatnationaldayisit.com
For people who wish to promote National Bff Day, we've put together the following resources.
See also: How does Bff affect the share price of Apple, Facebook, Microsoft?
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