[time-nuts] am, m, pm and ?

Tom Van Baak tvb at leapsecond.com
Mon Jul 18 10:37:27 EDT 2005

> What I'm wondering is what do we call midnight, given these conventions?
> time 00:00:00 is not really pm or am, as are 11:59:59 pm and 00:00:01 am
> are. Somehow saying 12:00:00 am sounds inconsistent. Is there perhaps some
> archaic suffix that was or is used to denote exact midnight, just as "m"
> used to denote exact noon?
> Dave Carlson

It's not standard but my own solution to AM and
PM in my lab books is to use "0h" for midnight
and "12n" for noon (n for noon).


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