Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Home > Ante Meridiem
Ante meridiem, commonly abbreviated a.m., A.M., or AM, means "being before noon" and is used in 12-hour clock time designations. Noon itself is neither a.m. nor p.m., but the minute between 12:00 and 12:01 is p.m., so 12:00 noon is often denoted p.m.
See also: Post Meridiem, Noon.
Read more »