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Usenet Posted 18 years ago
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Am - pm question

Hi,
I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which has me slightly confused (although googling revealed that "12.-something a.m." was not rare). - This is the same as 00.27, or 27 minutes past midnight, right? - How come there is a "13. hour" in the 12 + 12 am/pm nomenclature? - Is it to avoid a construction with "zero hours", as in "it is now zero-twentyseven a.m."?
Tia!
MVH,
T
  

Top answer

", which ... " was not rare). [/nq] Yes.

  • ", which ...
  • " was not rare).
  • [/nq] Yes.
  • [nq:1]- How come there is a "13.
  • [/nq] There isn't.
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21 Answers
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[nq:1]Hi, I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which ... revealed that "12.-something a.m." was not rare). - This is the same as 00.27, or 27 minutes past midnight, right?[/nq]
Yes.
[nq:1]- How come there is a "13. hour" in the 12 + 12 am/pm nomenclature?[/nq]
There isn't. There are twelve, numbered one through twelve.
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[nq:1]Hi, I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which ... revealed that "12.-something a.m." was not rare). - This is the same as 00.27, or 27 minutes past midnight, right?[/nq]
Yes. US Civilians say 12:27 a.m., and military and police types say
0.27.

Tony Cooper - Orlando, Florida
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[nq:1]Hi, I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which ... revealed that "12.-something a.m." was not rare). - This is the same as 00.27, or 27 minutes past midnight, right?[/nq]
Yes.
[nq:1]- How come there is a "13. hour" in the 12 + 12 am/pm nomenclature?[/nq]
This is how we save up time for daylight savings time. The l
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This pops up all the time on Usenet. Noon is 12m, m being short for "meridiem" which means noon. But 12m is totally confusing since it looks like it means midnight, so I use 12n, myself.

** DAVE HATUNEN (Email Removed) ** * Tucson Arizona, out where the cacti grow * * My typos & mispellings are intentional copyright traps *
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[nq:1]MVH, T[/nq]
~~
Tron,
The shipping pilots in the old Panama Canal Zone called zero hours, 27 min
"midnight 27." 12:27 PM was called "Noon 27."
I hope this is helpful.
Cheers, David H
~~
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Hi,
[nq:1]MVH, T[/nq]
~~
Tron,
The shipping pilots in the old Panama Canal Zone called zero hours, 27 min
"midnight 27." 12:27 PM was called "Noon 27."
I hope this is helpful.
- While there is no such thing as too much knowledge ... * The area is Towns River, NJ/USA, a fair distance from the canal itself, AFAIK.
Moreover, the datum appears on screen.
But thx for
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[nq:2]Yes. This is how we save up time for daylight ... the whole rest of the hour. Hence PM, post meridiem.[/nq]
[nq:1]This pops up all the time on Usenet. Noon is 12m, m being short for "meridiem" which means noon. But 12m is totally confusing since it looks like it means midnight, so I use 12n, myself.[/nq]
A good idea. Trying to remember what m is and what M is is another problem even
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[nq:1]Hi, I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which ... - Is it to avoid a construction with "zero hours", as in "it is now zero-twentyseven a.m."? Tia! MVH, T[/nq]
The idea that an hour is a twelfth of the time between sunrise and sunset, and a twelfth of the time between sunset and sunrise, is much older than the concept of
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Hi,
[nq:1]Hi, I'm translating a US english source, where the time given for a nighttime occurrence is - "12.27 a.m.", which ... sunset and sunrise, is much older than the concept of zero as are things like sundials and water clocks.[/nq]
Right.
However, once you have a base 12 hour system, it would be something of a breach to introduce a thirteenth hour. AFAIK, fractions are fractions

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