Question

what is the am and pm​

Answer 1

Answer:

The abbreviation am stands for ante-meridiem (before the Sun has crossed the meridian line) and pm stands for post-meridiem (after the Sun has crossed the meridian line).

Step-by-step explanation:

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Answer 2

Some countries, including the US, Canada, and Australia, use the 12-hour clock format including am and pm. What do these abbreviations mean? Is midnight am or pm?

12-hour clock at noon: 12 am or 12 pm?

Two 12-Hour Periods

The 12-hour system divides the 24 hours of a day into two periods lasting 12 hours each. The first 12-hour period is designated as am. It runs from midnight to noon. The second period, marked pm, covers the 12 hours from noon to midnight.

The abbreviations am and pm derive from Latin:

AM = Ante meridiem: Before noon

PM = Post meridiem: After noon