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Topic: 24-hour clock


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 24-hour clock - Wikipedia, the free encyclopedia
The 24-hour clock is a convention of time-keeping in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 0 to 23 (and 24 in the day-ending midnight).
Digital clocks run from 00:00 to 23:59, that is they never show 24:00 on their display.
The 24-hour notation is best known in the U.S. for its use by the military, where it is traditionally written without a colon (1800 instead of 18:00) and in spoken language followed by the word "hours".
en.wikipedia.org /wiki/24-hour_clock   (1657 words)

  
 CalendarHome.com - Hour - Calendar Encyclopedia
When, in post-classical times, a clock showed these hours its period had to be changed every morning and evening (for example by changing the length of its pendulum), or it had to keep to the position of the Sun on the ecliptic (see Prague Astronomical Clock).
This manner of counting hours had the advantage that everyone could easily read the clock to see how much time they had to finish their day's work without artificial light.
As a consequence, hours on summer days were longer than on winter days, their length varying with latitude and even, to a small extent, with the local weather (since it affects the atmosphere's index of refraction).
encyclopedia.calendarhome.com /Hour.htm   (843 words)

  
 12-hour clock - Wikipedia, the free encyclopedia
The 12-hour clock is a timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem (a.m.
Many people who grew up with the 24-hour clock see the 12-hour notation as a less practical and outdated convention, especially in the context of written communication, computers and digital clocks.
The 24-hour clock notation avoids all of these ambiguities by using 00:00, 12:00, and 24:00.
en.wikipedia.org /wiki/12-hour_clock   (1045 words)

  
 24-Hour Clock System 1
The 24-hour clock system eliminates the need to specify a.m.
hours generally keep the same number as in the 24-hour system, while you need to add 12 to the p.m.
The hours are numbered consecutively from 00 through 23, with midnight = 00.
www.aviation.uiuc.edu /UnitsPPD/ptCourseWork/radiocom/radio_53.htm   (57 words)

  
 24 Hour Clock
Clocks that do not have a fully populated '20's digit will still work in 24 hour mode from 0:00 to 19:59, but after that only the top right segment of the '2' will be lit.
A 12 hour display runs from 1 to 12, a 24 hour display runs from 0 to 23.
Find pin 01 on the clock chip, this should lead to the LED board and is used to light the A, D, E, and G segments of the '2'.
isitcrunchy.com /24clock.htm   (1067 words)

  
 24 hour analog clocks: history
During the 19th century, the 24 hour dial was being used for more earthly reasons, rather than the astronomical and religious intentions of the early astronomical clocks.
With more hours squeezed into a smaller arc, it was harder to read the exact time from a single hand on the 24 hour dial than on the 12 hour dial.
A 24 hour dial increases the required precision for the hour hand, because the hour hand moves less during an hour: if it's not accurate, it will soon start to be slower or faster.
homepage.mac.com /pete.boardman/24hourclock/history.html   (4338 words)

  
 The 24 hour Clock
The 24 hour clock is just another way of telling you whether the time is before or after noon.
You just take away the number "12" whenever you see an hour in the 24 hour clock system that is greater than 12 to get the hour in the common meridian clock.
After noon, the hours in the 24 clock system go from 13 all the way up to 24.
www.sunblock99.org.uk /sb99/people/JIreland/ji_24hr.html   (208 words)

  
 Regina Transit - 24 Hour Clock
For example, if it is 1 p.m and you wanted to convert it to the 24 hour format, you would add 12 + 1 to get 13.
Schedules displayed on this site use the 24 hour time format.You may know it as military time.
To convert time to the 24 hour format use the
www.reginatransit.com /1_Rts_24hour_clock.html   (134 words)

  
 Hour.ca - News - 24 HOUR Montreal: Student special
Hour's round-the-clock guide to living large in the big city
The 24 Hour Montreal special is a student guide, but it's more than an embellished listing of STD clinics and cheap falafel joints - it's your clip-'n-save guide to arranging and rearranging your body clock.
The real point of the 24-hour clock though, and our 24 Hour Montreal special, is that this is a city of possibilities where you can do pretty much anything, any time.
don't show up for a party before 23h (11 p.m.); and finally, 3) the only exception to the 24-hour clock is the drinking hour: "5 à 7." This is the cocktail or happy hour - though the hours from 5h à 7h proper (a.m., or dawn) are also considered acceptable drinking hours here.
www.hour.ca /news/news.aspx?iIDArticle=7135   (7435 words)

  
 XWEB: 24-Hour Clock does not Convert 2400 Correctly in OWA
If you clear the "Display 24-hour clock" check box after entering 2359 as your day end time, the time is converted to 12:00 PM rather than displaying 12:00 AM.
Do not set the clock in OWA to use the 24-hour format if the day end time will be midnight.
XWEB: 24-Hour Clock does not Convert 2400 Correctly in OWA
support.microsoft.com /?kbid=195805   (216 words)

  
 Dual Time 24 Hour Clock - Sporty's Pilot Shop
Dual-time clock uses one C battery, and the 12/24 hour clock uses one AA battery (batteries not included).
Unique Dual-time 24 hour Clock design uses independent adjustable hour hands, one black, one red, allowing you to tell the time in two time-zones at once.
Ideal for the FBO or home, these 24-hour clocks feature quartz movements, large Arabic numerals and a 12" diameter face.
www.sportys.com /acb/showdetl.cfm?&did=19&product_id=1318&fromgoogle=yes   (569 words)

  
 Florence ART News
The hours, written in Roman numerals, start from the lower part of the clock face (from the 6 of modern clocks) and continue from left to right to 24; the head of a prophet can be seen painted on each corner of the face.
It works by counting the hours after sunset until it arrives at the twentyfourth hour of the following day and the next setting of the sun; it also moves anticlockwise (as compared to modern clocks and watches).
An exceptional machine that was built in a period that was thriving with the ideas and inventions of human culture.
www.catpress.com /fanmega/art/tiduomq.htm   (347 words)

  
 24 hour analog clocks and watches: home
This site is dedicated to the unusual character of the 24 hour analog clock (and watch) face.
This watch from Think the Earth illustrates the logic behind the 24 hour analog clock design: it helps you understand the nature of time more clearly:
Browse this site if you want to see these and other watches and clocks that show all the 24 hours of the day.
homepage.mac.com /pete.boardman/24hourclock   (151 words)

  
 The COOLroom.org - Understanding Greenwich Mean Time
This makes it very confusing for machines like computers to determine which hour it really is. So, many large scale systems use the 24-hour clock, sometimes called "military time." In the 24-hour time system, Midnight is represented by 00:00, 1:00 AM by 01:00, and so on.
Notice that in the 24-hour time system there is no need for AM or PM.
Thus, in the winter, you will need to subtract 5 hours from the timestamp to determine the time in Eastern Standard Time (EST) that the data is from, and in the summer you will need to subtract 4 hours to obtain Eastern Daylight Time (EDT).
www.thecoolroom.org /education/gmt.htm   (602 words)

  
 24 Hour Clock
The clock at the left is made with white clay which has brown clay swirled into it on the potters wheel and the piece is left unglazed.
We make the frame for the clock on the potter's wheel, It is the same form as a plate except that we cut the bottom out for the clock.
The clock is a high quality Quartz Movement Clock with a six and one half inch face.
www.finepots.com /24clk.html   (193 words)

  
 The Time - Converting AM/PM to 24 Hour Clock
With the 24 Hour Clock the time is shown as how many hours and minutes since midnight.
There are two major ways to show the time: "AM/PM" or "24 Hour Clock".
There are 24 Hours in a Day and 60 Minutes in each Hour.
www.mathsisfun.com /time.html   (357 words)

  
 24 Hour Clock for ipaq 4150 - MobilitySite Forums
I don't think the standard clock supports the 24 hour format.
Small h is in 12 hour format and large H is in 24 hour format.
I would look at www.freewareppc.com as there should be a freeware clock to do this.
www.mobilitysite.com /forums/showthread.php?t=10280   (271 words)

  
 informations 24 hour clock
Our new 24-hour clock is made in the USA by blind workers, so there's a meaningful back-story to this clock that few other clocks share.
24 HOUR CLOCK Military Time, European Time, I use mine for Greenwich Mean Time.
Our schedule times are shown in the 24-hour clock 01 00 - 1:00 am 02 00 - 2:00 am 03 00 - 3:00 am 04 00 - 4:00 am 05 00 - 5:00 am 06 00 - 6:00 am
www.primavera-eiscafe.de /24_hour_clock.html   (270 words)

  
 Clock military - DivorceNet®: DO ARMY RECRUITERS CLOCK IN AND OUT ?
A clock that shows 24 hours on the dial, a wonderful way to teach your family the European or military way of telling time.
However, the clock’s small size, low power dissipation and potentially low cost make it ideal for a variety of commercial and military applications.
Further arms reductions stall while global military spending continues at The clock first appears on the Bulletin cover as a symbol of nuclear danger.
infofeedhome.com /iffh/clock-military.htm   (488 words)

  
 OSXFAQ :: View topic - Changing the 24-hour clock to the 12-hour clock.
First, the "why the heck did my clock switch to 24-hour mode for no apparent reason" bug seems to be fixed in OS X 10.1.3.
I found though, with the 10.1.3 update, my clock was in 24 hour time, but the international prefspane was still at the 12 hour clock!
What to do when your menu bar clock decides 24 hour time is better than 12 hour time...
forums.osxfaq.com /viewtopic.php?topic=409&forum=100&0   (665 words)

  
 24 Hour Clock for SYM-1 BASIC
As written, it is a 24 hour clock.
POKE and“0F7D”, hour (in 24 hour time), CR POKE and“0F7E”, minute, CR POKE and“0F7F”, second, then hit CR on the exact second.
If you want a 12 hour clock, change the contents of location OFAD to “C0”.
www.atarimagazines.com /computeii/issue1/page46.php   (500 words)

  
 Chelsea Phenolic Timemaster-40090 Military 24 Hour Clock
Chelsea 24 Hour 6" and 8 1/2" Timemaster Phenolic Military Clock
The Chelsea Timemaster is the pinnacle of maritime timekeeping - and this model features a true 24 hour movement.
Chelsea Phenolic 24 Hour Timemaster, 8 1/2" Dial
bellclocks.com /chelseaphenolictimemaster.html   (211 words)

  
 24 Hour Prayer Clock
The 24 Hour Prayer Clock is ignited as part of the strategy to help recruit prayer warriors for the ministries listed as well as pray for you personally.
They have established a 24 hour prayer clock under the direction of Pastor Ali and Teresa Rubio and Sister Bibi Brazy.
Approximately 75 intercessors so far, are praying around the clock plus meeting every Monday and Friday night at Angelus Temple for prayer.
www.celebrationsoftheking.com /clock.htm   (1380 words)

  
 Firefighters work on 24-hour clock
The next 24 hours are theirs, but then they'll walk through the doors to do it all again.
It's another hour before they return to the station and to sleep, after accompanying the young man to a hospital.
True to the stereotype, these Valley locals spend most all their waking hours together, although they have small separate bedrooms instead of the community bunks common in firehouses in other cities.
www.azcentral.com /community/tempe/articles/0226t-fireZ10.html   (1163 words)

  
 LED Clocks 24 Hour Clock and Digital Clocks & Digital Timers
LED Clocks 24 Hour Clock and Digital Clocks and Digital Timers
It may also be used as a free running count up clock for long term timing.
This large LED countdown clock keeps track of the number of DAYS left until you reach your goal.
electronicsusa.com /clockchoice.html   (399 words)

  
 VN Boards - 24 hour game clock
When I log in, the game clock is 3 hours behind my local time (ie when I log in at 6pm, the game clock shows 3pm).
From what I have read, not in beta, the clock is not noticeable at all.
is it that the game clock is synched up with real time?
vnboards.ign.com /message.asp?topic=73716844   (1136 words)

  
 JumboLCD 12/24 Hour Clock
Our JumboLCD 12/24 Hour Clock displays time in 24 hour UTC or 12 hour format with huge 1.75 inch high-contrast LCD digits.
The clock also has built-in mounting holes to hang on the wall or a built-in flip stand for desk mount.
The clock measures a compact 5.25W x 2.5H x.5D inches.
www.mfjenterprises.com /products.php?prodid=MFJ-118   (156 words)

  
 24 HOUR MILITARY CLOCK at Radios4You.com
Beautiful jumbo display 24 hour military time clock has an 11" display surrounded by a brushed aluminum bezel.
Can be set to your local time or even GMT so you can provide the correct world time during QSOs.
www.radios4you.com /24-clock.html   (67 words)

  
 Mars Exploration Rover Mission:
Rover controllers have to monitor Spirit (and soon, Opportunity) all the time; this doesn't just mean 24 hours a day" it means 24 hours, 39 minutes a day.
Garo finished Doudrick's watch first and after initial testing, discovered that it was off by no more than ten seconds in 24 hours Earth time " an amazingly accurate feat for an entirely mechanical watch.
Tables covered with disassembled watches and clocks seem to mirror the intent watchmaker's mind; taking things apart and fixing them is, for him, second nature.
marsrovers.jpl.nasa.gov /spotlight/spirit/a3_20040108.html   (781 words)

  
 24 Hour Clock - Compare Prices, Reviews and Buy at NexTag - Price - Review
The TACO Analog 24 Hour Clock timer is designed to cycle the circulator during peak demand periods.
The TACO Analog 24 Hour Clock timer/Temperature Aquastat combination is designed to cycle the circulator during peak demand periods.
Our 24-Hour clocks were designed to meet the needs of those unique customers who keep 24 hour schedules.
www.nextag.com /24-hour-clock/search-html   (284 words)

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