5 Jun 2009 ... Pam wrote to me to settle a debate between the younger and the older employees in her office. Her brief question was this: 4pm or 4:00pm?
July 1, 2010 at 10:40 am. The best way to write this: The trade was executed on Wednesday, June 30, at 3:00 p.m., PST (or PDT). Note that the day and date ...
11 Mar 2010 ... Also, there are at least two acceptable ways to write "a.m." and "p.m.," which are abbreviations for "ante meridiem" and "post meridiem.