Gordon Cooper wrote:
We were taught that 24.00 did not exist. Time went from 23.59
to 00.00.  The same rule can be applied to 11.59 am & pm.

Except where there's a leap second.

> The same rule can be applied to 11.59 am & pm.

No it can't. You have to be prepared to parse 12:00 a.m. by context but it's usually midnight.

This is a deeply messy area, not helped at all by the odd conventions adopted by some of the early RTC chips which still turn up in embedded equipment.


Gordon.


On 27/05/15 19:57, Mattias Gaertner wrote:
On Wed, 27 May 2015 09:19:42 +0200 (CEST)
Michael Van Canneyt <mich...@freepascal.org> wrote:

[...]
Does 12:00 am actually exist ? If so, what is that ? Midnight or midday ?
Should not that be 00:00 am ? (or is that the same ?)
You are not alone with such questions:
https://en.wikipedia.org/wiki/12-hour_clock#Confusion_at_noon_and_midnight

Mattias

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Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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