Welted definition, a ridge or wale on the surface of the body, as from a blow of a stick or whip. See more.
AM stands for âante meridiemâ, which means âbefore noonâ in Latin, while PM stands for âpost meridiemâ, which means âafter noonâ in Latin. 12-Hour Periods. Most clocks today are 12-hour clocks â they divide the 24 hours in a day into two 12-hour periods.
AM and PM. Most analog clocks today keep time in 12-hour increments â they divide the 24 hours in a day in to 12-hour periods. These clocks are generally known as 12-hour clocks. The first period of the day is called âante meridiemâ, which means before noon in Latin.The second period is called âpost meridiemâ, meaning after noon in Latin. Ante meridiem, is commonly denoted as AM, am or A.M., while post meridiem is usually denoted as PM, pm or P.M.imilarly, 12 AM does not make much sense, since it is not before noon. It is recommended that one refer to these hours as midnight and noon. Note: Most digital clocks tend to show 12 AM and 12 PM to specify midnight and noon, respectively.