AM and PM are two terms we all use on a daily basis - but do you know what they mean? If you're anything like us, the team at Fabulous , chances are you haven't got a single clue. Although we were all taught how to tell the time, most of us probably weren't paying enough attention to the teacher at school . Whilst knowing the acronym isn't the most important thing in the world , you will be amazed that you didn't know this earlier - just like social media users.

People have been flocking to express their surprise that it's taken them so long to clock on. TikToker named Amaya Clarke shared a short video posing the question what does AM and PM mean? and she got many responses. One person said: "After midnight past midday.

" While another thought it meant: "At morning and past morning." A third said: "After midnight and pre afternoon I don't know that's what I've been told all my life." Sadly - while they all make sense - none of these answers are correct.

AM and PM are actually short for "ante meridiem" and "post meridiem". These are latin and they translate to "before midday" and "after midday". Social media users were blown away by the revelation and rushed to share their surprise on social media.

One person said: "32 times around the sun and I never knew." Another said: "Thank you so much, I've been searching the meanings of those two for years, finally got it." Whilst we're on the topic of fun facts, did you know what the triangle symbol on your clothes label means ? Many wo.