AM is 2 letters long. It starts with the letter A and ends with the letter M
Dictionary definitions:
AM:
Dictionary definitions:
AM:
Definition: The abbreviation a.m. for Latin ante meridiem, meaning âbefore noon,â refers to the period from midnight until noon. One minute before noon is 11:59 a.m. One minute after noon is 12:01 p.m. Many people distinguish between noon and midnight by saying 12 noon and 12 midnight.