AM stands for 'Ante Meridiem' (Latin for 'before midday') and PM stands for 'Post Meridiem' (Latin for 'after midday').
post meridian
post meridium
Post Morning
It stands for post meridiem which means "after midday" in Latin
PM stands for Personal Message. In Twitter this is a direct message.
MP stand for "Member of Parliament"whereas PM Stand for "Prime Minister"Some other Abbreviates of these are........"Post Meridian", "Mandal Parishadh", "Mega Pixel"
Post Meridian
antemeridiem and postmeridiem
Prime Meridian
petite medium
post meridian
Plus-minus