It's National Grandparents Day on September 13th.
More on Grandparents Day and the other days on the 13th below.
= Total National Day Mentions
We detected 3,548 references to national Grandparents day on 13th the September. There were also a total of 76 other national days mentioned including: Peanut, Video Game, Pet Memorial and Dementia Carers Day.
The day shown for 'National Grandparents Day' is shown as we detected that day mentioned the most out of all the references to national days there were on September the 13th across social media. 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. This crowdsourcing of data method to assess the National Day date is used as opposed to being connected with any Government sacntioned lists :D Hurrah for democracy by concensus!