Understanding AM and PM: A Guide to Time Keeping
A.M. stands for "ante meridiem," which is Latin for "before midday." It is used to describe the time of day before noon, or from midnight to noon.
4. What is P.M.?
P.M. stands for "post meridiem," which is Latin for "after midday." It is used to describe the time of day after noon, or from 12:00 pm to midnight.
5. How do we use A.M. and P.M. in our daily lives?
We use A.M. and P.M. to schedule appointments, meetings, and events. For example, a doctor's appointment at 10:00 am would be scheduled as 10:00 A.M., while a meeting at 3:00 pm would be scheduled as 3:00 P.M. We also use A.M. and P.M. to describe the time of day in our daily routines, such as waking up at 7:00 A.M. or going to bed at 10:00 P.M.
6. What is the difference between 12:00 noon and 12:00 midnight?
12:00 noon is the time of day when the sun is highest in the sky, while 12:00 midnight is the time of day when the clock strikes 12:00 and the day changes to the next day. In other words, 12:00 noon is during the day, while 12:00 midnight is at night.
7. How do we convert 12-hour time to 24-hour time?
To convert 12-hour time to 24-hour time, we simply add 12 to the hour. For example, 3:00 pm becomes 15:00 (3 + 12 = 15), while 10:00 pm becomes 22:00 (10 + 12 = 22).
8. How do we convert 24-hour time to 12-hour time?
To convert 24-hour time to 12-hour time, we simply subtract 12 from the hour. For example, 15:00 (3 pm) becomes 3:00 pm, while 22:00 (10 pm) becomes 10:00 pm.
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