BBC3y
The 12 and 24 hour clock
The first 12 hours of the day, from midnight to midday , are called AM. The next 12 hours, from midday back to midnight, are called PM. AM is short for ante meridiem, which means 'before midday'.
WCCO Radio Minneapolis on MSN3mon
Get ready for a white-knuckle commute Thursday with snow, blowing snow for AM and PM drives
"So yeah, there will be a slow commute, a long commute." And while the snow should taper by the PM commute, it still won't be ...
BBC3y
The 12 and 24 hour clock
The first 12 hours of the day, from midnight to midday , are called AM. The next 12 hours, from midday back to midnight, are called PM. AM is short for ante meridiem, which means 'before midday'.