# Re: Notation of time (a.m., p.m.)

• Subject: Re: [amsat-bb] Notation of time (a.m., p.m.)
• From: "Don Woodward" <dbwoodw@xxxxxxxxxxx>
• Date: Mon, 17 Jun 2002 08:12:13 -0400

```So are we, that's always been a debate - I've always referred to them as:

24 h notation   12 h notation
=============================
0000     =     12:00 midnight or just midnight
0001     =     12:01 a.m.
0100     =      1:00 a.m.
1130     =     11:30 a.m.
1200     =     12:00 noon or just noon
1201     =     12:01 p.m.
1230     =     12:30 p.m.
1300     =      1:00 p.m.
2330     =     11:30 p.m.

Don Woodward
KD4APP
AMSAT 33535
kd4app@amsat.org
http://www.w-ent.com/amsat/index.htm
http://www.w-ent.com/ao40/index.htm

----- Original Message -----
From: "Udo Schneider" <uschndr@zedat.fu-berlin.de>
To: "AMSAT NA BBS" <amsat-bb@AMSAT.Org>
Sent: Monday, June 17, 2002 01:12
Subject: [amsat-bb] Notation of time (a.m., p.m.)

Hello friends,

I'm totally confused about the official notation of time
in the USA around noon.

Could somebody correct the following table?

24 h notation   12 h notation
=============================
0:00     =      0:00 a.m.
1:00     =      1:00 a.m.
11:30     =     11:30 a.m.
12:00     =     12:00 a.m. or 12:00 p.m. or  0:00 a.m. or 0:00 p.m. ???
12:30     =     12:30 p.m. or  0:30 p.m. ???
13:00     =      1:00 p.m.
23:30     =     11:30 p.m.

Tnx es 73, Udo, DL7OL ***

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