Use numerals plus a.m. or p.m.The workshop will begin at 9 a.m. and end at noon.
“Noon” and “midnight” are to be used in place of 12; both are lowercase.
Only use a colon when minutes follow the hour.11 a.m., 1 p.m., 3:30 p.m.
One-en dashes (-) are used between dates, times, and scores. There are no spaces used around the dash.The evening courses run from 6-9p.m.
In print, the designations a.m. and p.m. are lowercased with periods.
When writing the time online, use 8am, 8:30am (no spaces between the numeral and the letters or between the letters).