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.
Often the start of morning is extended before dawn, this time is considered the small hours (wee small hours) of the morning, so it can come to mean midnight to midday (in cultures using the 12-hour clock, these hours are ante meridiem, A.M., a.m., or am). Morning precedes midday, afternoon, and night in a day.