Gen Z is now using the social media app X to educate themselves about terms like AM, PM, and o'clock. Many were surprised to learn that AM stands for 'ante meridiem' and PM for 'post meridiem'.
People often see AM and PM on the digital clock but never tried to decipher “why such abbreviation is used to denote time period?” AM stands for Ante Meridiam whereas PM stands for Post Meridiam. This ...