it is p.m because in latin it stands for afternoon.
If you are asking about time-related A M and P M then it means - Ante meridian and post meridian. "Ante" is Latin for "before", "post" means after.Meridian is when the sun reaches its zenith, the highest point in its daily arc; i.e., noontime.
In terms of metric measurement, if you see the abbreviation pm, it does not, in this instance, stand for post meridian - it stands for picometres. There are 1000000000000 picometres in one metre.
AM = "Ante - Meridian"PM = "Post - Meridian""Ante" and "post" mean "before" and "after"."Meridian" is the imaginary line in the sky that runs north/south and passes directly over you.In the morning, the sun moves from the eastern horizon toward the meridian. At Noon, the sun crosses the meridian. In the afternoon, the sun has crossed the meridian and moves away from it toward the west.Morning is the time before the sun crosses the meridian = Ante-Meridian = AM.Afternoon and evening is the time after the sun crosses the meridian = Post-Meridian = PM.
A.M. is an abbreviation for the Latin words "Ante meridian," which translates in English to "before the middle of the day." P.M. is an abbreviation for the Latin words "Post meridian," which translates in English to "after the middle of the day." That is why A.M. is 12:00 midnight to 11:59 in the morning and P.M. is 12:00 noon (i.e. the middle of the day) to 11:59 in the evening.
While using am and pm in time representation, it denotes.. am ==> Anti Meridian pm ==> Post Meridian
PM : Post Meridian
The abbreviation for "before noon" is "AM." It is the abbreviation for the Latin phrase ante meridian which means "before the high point (of the sun)"Similarly, "PM" is the abbreviation for the Latin post meridian, meaning "after the high point"
In radio, AM stands for amplitude modulation.In TIME, it stands for Ante-Meridian (ref. the Prime meridian)Amplitude modulationAnte Meridian as in 11:00 AM (and PM is Post meridian)
what do am and pm mean? well am means it is morning pm means its afternoon and night AM Means : ANTI MERIDIAN PM Means : POST MERIDIAN
The P stands for Post and the M stand for Meridian.From the Latin, Post means after, and Meridian means midday (noon).So the abbreviation PM as it pertains to time stand for after-midday or afternoon.
The period from midnight to noon is referred to as ante meridian, abbreviated as a.m. The period from noon to midnight is referred to as post meridian, abbreviated as p.m. Meridian refers to noon, when the sun is highest in the sky. Ante means before, and post means after.
ante meridian
If you are asking about time-related A M and P M then it means - Ante meridian and post meridian. "Ante" is Latin for "before", "post" means after.Meridian is when the sun reaches its zenith, the highest point in its daily arc; i.e., noontime.
Ante meansbefore and post means behind.Meridian is from the Latin for Midday.Ante Meridian = am (before midday)Post Meridian = pm (after midday)
In terms of metric measurement, if you see the abbreviation pm, it does not, in this instance, stand for post meridian - it stands for picometres. There are 1000000000000 picometres in one metre.
Prime Meridian
Ante Meridian and Post Meridian