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.
To remedy that problem, the two separate periods can be shown on the same analog clock by using the AM and PM suffixes. As we said above, AM stands for âante meridiemâ or before noon in Latin, so it is used to describe the first portion of the day â the first 12 hours. On the other hand, PM stands for âpost meridiemâ or after noon in Latin and itâs used to describe the second portion of the day â the final 12 hours.