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Written on Friday, September 12th 2008 at 8:54 pm by alexAnte Meridien
According to both NASA and the British Royal Observatory, a.m. stands for ante-meridiem, which is from Latin for "before the Sun has crossed the line."
Post Meridiem
And p.m. means post-meridiem, which is from Latin for "after the Sun has crossed the line."
The 12-hour clock was developed over time from the mid-second millennium BC, to the 16th century A.D. and was once popular throughout Northern Europe - View comments...
According to both NASA and the British Royal Observatory, a.m. stands for ante-meridiem, which is from Latin for "before the Sun has crossed the line."
Post Meridiem
And p.m. means post-meridiem, which is from Latin for "after the Sun has crossed the line."
The 12-hour clock was developed over time from the mid-second millennium BC, to the 16th century A.D. and was once popular throughout Northern Europe - View comments...
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