24 hour vs 12 hour clock
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07-05-2015, 04:00 PM (This post was last modified: 07-05-2015 04:05 PM by pablo.)
RE: 24 hour vs 12 hour clock
Double post
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07-05-2015, 04:06 PM
RE: 24 hour vs 12 hour clock
I prefer the 24hr time format for motivational purposes. It reminds me when I look at it, that I need to get stuff done. When I glance at 12hr clocks, I tend to slack off a bit. A quirk my past therapists couldn't cure/rob me of (depending on how you look at it).
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07-05-2015, 06:11 PM
RE: 24 hour vs 12 hour clock
24hour because I don't want to accidentally set my alarm on my phone to 11pm and than not wake up till 2pm because my alarm didn't go off at 11am.

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07-05-2015, 06:15 PM
RE: 24 hour vs 12 hour clock
Dates and times should sort lexicographically. Therefore 24-hour time is superior.

Give me your argument in the form of a published paper, and then we can start to talk.
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07-05-2015, 07:33 PM
RE: 24 hour vs 12 hour clock
(07-05-2015 06:15 PM)Hafnof Wrote:  Dates and times should sort lexicographically. Therefore 24-hour time is superior.
Don't a.m. and p.m. sort lexicographically?

The 12 hour clock was devised to keep the parts count down, save money, lower the price of clocks and boost clock sales.

In the 24 hour system midnight is either 0000 or 2400, depending on which date you give. 2400 Saturday and 0000 Sunday are the same time.

In the 12 hour system midnight is 12:00 p.m. one minute later it's 12:01 a.m. Noon is 12:00 a.m. and one minute later it's 12:01 p.m.

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07-05-2015, 07:48 PM
RE: 24 hour vs 12 hour clock
A stint in the military and years of doing payroll calculations means that I can easily translate 24 hour time to 12 hour time. I find that most people can't.

Either one works for me.

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07-05-2015, 07:51 PM
RE: 24 hour vs 12 hour clock




Does anybody really know what time it is, does anybody really care?

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07-05-2015, 08:48 PM
RE: 24 hour vs 12 hour clock
But which 24 hour clock?

In U.S. Military standard it is 00 at Midnight... I don't know if it's certain but in some movies I've seen of it used in Japan, the 00 begins at Noon.

Which system is more sensible with that added too.

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07-05-2015, 09:17 PM
RE: 24 hour vs 12 hour clock
(07-05-2015 08:48 PM)ClydeLee Wrote:  But which 24 hour clock?

In U.S. Military standard it is 00 at Midnight... I don't know if it's certain but in some movies I've seen of it used in Japan, the 00 begins at Noon.

Which system is more sensible with that added too.
I've only used the military 24. In most environments you can't avoid the 12hr format, like places with wall clocks and people who wear analog watches (myself included). But any devices where I have the option, its 24hr for me.
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07-05-2015, 09:34 PM
RE: 24 hour vs 12 hour clock
(07-05-2015 07:33 PM)f stop Wrote:  
(07-05-2015 06:15 PM)Hafnof Wrote:  Dates and times should sort lexicographically. Therefore 24-hour time is superior.
Don't a.m. and p.m. sort lexicographically?

The 12 hour clock was devised to keep the parts count down, save money, lower the price of clocks and boost clock sales.

In the 24 hour system midnight is either 0000 or 2400, depending on which date you give. 2400 Saturday and 0000 Sunday are the same time.

In the 12 hour system midnight is 12:00 p.m. one minute later it's 12:01 a.m. Noon is 12:00 a.m. and one minute later it's 12:01 p.m.

Given the meanings of AM and PM - ante meridian is before midday, post meridian is after midday - that means midnight is both 12AM and 12PM and noon is neither.

All of my digital clocks are 24 hr. I also have a 24 hr. mechanical watch.

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