why do jewelies set there clocks at 10 past 10?
553300
Because it shows a smiling face of the clock to attract customers
127625
Unfortunatelt this guy has got the Americanised version of events - time zones came around because of a number of factors.  Primarily a reliable way of determining the time wherever you were in the world was required by mariners so that they could take sun and star bearings at a given time of day/night and be able to fix their position relative to a known point.  \n\nThis known point was the Greenwich Meridian, running through the Greenwich Royal Observatory in London.  As train travel became important the problem of different parts of Britain operating on different times made timetabling very difficult.  This is because midday (when the sun is at its highest point in the skyj in Edinburgh is some 30 minutes later than midday in London due to Edinburgh being some 400 mile further North.\n\nSo midday in London became the midday setting for all of Gt Britain.  This now meant that by looking at the Greenwich Meant Time tables you could tell how far in front or behind of midday in London you were, creating a series of time zones.  You can run on GMT (London time) or Local Time, but if a business call needs to be made between a number of countries at the same time, and you set the call for 11 am GMT, everybody will know what time to make the call irrespective of whether their local time is 3 am in the morning or 3 pm in the afternoon.
972507
Well, they're so vague!  They're not wrong all the time for that simple reason.  Even a stopped clock is right, by happenstance, twice a day.
453302
Its probably a GMT standard clock. Whereever you live is GMT + or - a certain amount of hours.\n\nEST is GMT -5 so if GMT says its 12:00, its actually 7:00 here.
638729
The grandfather clock works on a mechanical system of gears, spring, levers, catches and a pendulum for keeping time. Energy is stored in a wind-up spring or a weight driven axis.\n\nThe basic time keeping is achieved by a pendulum that counts time in an accurate fashion within seconds per month. This uses the principle of Periodic motion and may be adjusted to be slightly faster or slowly by shifting the pendulum ball's position slightly.\n\nThe pendulum counter then controls the movements of a system of mechanical levers, gears & wheels that are calculated to drive the second, minute and hour hands in the desired rotation ratios so that they will show the correct time.\n\nUpon the hour, the system will activate a chime via the spring driven hammers that strike tubular bells or other sounding vibrating elements. A series of activation may be composed to produce the desired melody. Some system will also provide the date for the month. In its peak, many other noviety displays such as birds, toys, animals, etc would be used to announce the top of the hour much to the delight of children and adults alike.
565167
hey, wait, it's only 10 AM....\n\nwait, that's here
105862
I don't see how they can do away with them. It is a fact that the time is not running exactly to the second every year. If they did away with them they would eventually have to adjust something or atomic time would be different then local time.
470281
The History of Analog Clocks (SEE FIRST LINK BELOW) provides an explanation of the origin of the 24-hour day. The system dates back 4,000 years, to ancient Egypt and Babylon. \n\nEgyptian astronomers divided the night hours into 12 distinct sets of star patterns, which emerged over the horizon at roughly hour-long intervals. They divided the day into 12 hours to match, and because they lived near the equator, the days and nights were of roughly equal length throughout the year. \n\nThroughout the rest of the world, the 12 "hours" of the day and night were flexible depending upon the season. It wasn't until the 13th century A.D. that an Arab scientist named Abul-Hassan suggested the idea of clearly defined hours. \n\nIt's also worth noting that the number 12 is special in many cultures. For example, Egyptians counted in base 12. Dividing the day into two sets of 12 was a simple and elegant way of condensing the annual calendar into a day. \n\n*Repost*
509989
I think the bigger question is, "Is it really 10:10, or is it 1:50?"\n\nMakes the clock look nice. \n\nCheers!!
232873
Assuming you're in the UK then British Summer Time begins this Sunday. I think that officially at 2am the clocks go forward an hour.
513735
someone that helps woman with their clocks????
1116815
Because on a digital watch or clock, displaying 10:10 uses the most LED segmets of any possible time, so they can show more of their product at one time, thus making it look better.  Hope that helped.
420553
One would think it would be between say, midnight and 5am. Ten seems a bit early. Justified? Well, it depends on the reason. "Why?" "at what hour was it actually cut?" and where is this taking place? are big parts of what the answer would be. Can you give more information?\nLooking at the answer before mine - justification is certainly a relative concept, isn't it?
307586
I turned my daughter's clock forward today. She was not impressed with me when she eventually realised that she had got up at 5am instead of 6 to go to work. Ha.\n\nAlso have a look at the response OneRunningMan gave to The Kimster  on the same subject.
167992
I thought it was 10:10... and nope, I don't know why.
198580
I see your problem\n\nWe conventionally call it 12pm, but I think I understand why you're asking the question: how can noon or 12 midday be "<post> meridien" if midday <is> the meridien?\n\nSure, it is "post meridien" as soon as the second hand passes the 12, but at the exact instant of midday it can be neither am nor pm.\n\nSimilarly, midnight is both exactly 12 hours after midday (post meridien) and 12 hours before midday (ante meridien)....
864564
They're made so the clock corresponds to daylight.  It was convenient to break the world into one-hour zones, which would give you 24.  The zones are determined by state and national boundaries and population concentrations, so they aren't perfectly straight north-south lines.  But the general result is that the sun is always about highest at noon, no matter where you are.  That only leaves the question of how we determine when we move from one day to the next.  That would be the international date line, running down through the Pacific ocean and carefully avoiding almost everything.