There are several meanings to PM. See the related link for more details.
Which line is Greenwich England time zone?
Greenwich is a district in south-east London, England, on the south bank of the River Thames in the London Borough of Greenwich. It is best known for its maritime (ship-building and sailing) history and as giving its name to the Greenwich Meridian (0° longitude) and Greenwich Mean Time
It's neither. It is 12 Noon.
The abbreviations AM and PM stand for Ante Meridiem and Post Meridiem, respectively. The terms ante and post mean before and after. The term meridiem refers to when the sun is at the middle of its arc across the sky.
Nominally the sun is at its meridiem at noon. Since it is *at* its meridiem this is neither before nor after the meridiem. It *is* the meridiem.
Likewise, midnight is neither 12 AM nor 12 PM. It is equally far from both. It is simply 12 midnight.
The military clock is better than the civilian clock for many reasons. One is that eliminates the complexity of specifically accounting for whether a time is before of after midnight. On the military clock noon is read as 1200 hours, and midnight is read as 2400 hours.
How many seconds are in a trillion years?
1 trillion years = approx 31557600000000000000. However, the univere did not exist a rillion years ago and, according to current cosmological theories, it will not exist for a trillion years. So the answer is a meaningless exerise in multiplication.
How many seconds are in 48 hours?
There are 172,800 seconds in 48 hours (48hours x 3600seconds/1hour= 172800)
Which hand on a clock is the hour hand?
The short one
Yes, the hour hand is traditionally shorter than the minute hand. However, the hour hand is known as the BIG hand because an hour is bigger than a minute.
That means the minute hand is known as the LITTLE hand since a minute is LITTLE when compared to an hour. This is the historical explanation of the labels for the two hands, based on function an expressed in form by the hour hand having a broader, albeit shorter, design than the minute hand which is longer but narrower.
Hour = bigger than minute = the BIG hand
Minute = smaller than hour = the LITTLE hand
What is an actual unit of time for 1100th of a second?
I assume 1/100 because 1/1100 I have never heard of. 1/100 would be a centisecond.
Where did February get its name from?
The name of the month of February comes from the Latin word februum, which means purification. The purification ritual of Februa occurred on February 15 in the old Roman calendar.