The 12-hour clock is a time conversion convention in which the 24 hours of the day are divided into two periods called ante meridiem (a.m., Latin "before mid day" [English]: "before noon] and post meridiem (p.m. Latin: "after mid day" English: "after noon").
2am is the time ater midnight and before noon. Get the time fast and you'll catch me shortly, Zam.
