| And my heart will go on and on | One way to overcome this problem is to sacrifice accuracy for clarity |
|---|---|
| Once more you open the door |
| The abbreviations am and pm derive from Latin:• For example, at 23:00, 23 hours have passed since the beginning of the current day | From 1 am to noon, do nothing |
|---|---|
| You are safe in my heart |
| The main weakness of the 12-hour system is a widespread confusion about which abbreviation should be used for noon and midnight: neither moment can logically be identified as before noon am or after noon pm |
For example, 5 am is early in the morning, and 5 pm is late in the afternoon; 1 am is one hour after midnight, while 11 pm is one hour before midnight.
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