the different methods of time keeping throughput the ages on human activities?
105455
For much of human existence, the shortest interval of time in common use was the day.  Thus, the first attempts to methodically measure time centered around the day.  Numerous calendars were invented to relate the day to the month, (which referred to the regular cycle of the Moon, hence the name month), and with the year, which referred to the regular cycle of the seasons, and, once it was noticed, the regular cycle of the sun's path in the sky getting higher and lower.  \n\nWhen it came to subdivisions of the day, at first people spoke of morning, midday, evening and night, as judged by the position of the sun.  Sometime around 5000 years ago, people in the Mideast and North Africa began to use devices that allowed them to more methodically subdivide the day.  The Egyptians divided the time between sunrise and sunset into twelve divisions, defining their "hour".  Of course, the length of their hour varied from day to day as the days got longer and shorter.  Hours could be measured methodically by use of a sundial or similar device.\n\nSubdivisions of the hour came about with the invention of devices like hourglasses or other devices that used the constant flow rate of some other fluid, like water, or that used a constant burn rate of something, like candle wax or incense.\n\nAttempts to measure short time periods, like minutes and seconds, came about later, and were first very crude.  Galileo used his pulse to time the period of oscillation of a pendulum.  Clocks using escapement type devices were developed in the 13th century.  The first pendulum clock appeared in 1656.  Since keeping time is essential to ocean navigation (specifically, comparing the local sun time with the reference time at a know location allows one to determine longitude), much effort went into improving mechanical clocks using escapements or pendula.\n\nIn the early 20th century, pendulum clocks gave way to quartz clocks, which used the regular vibrations of a quartz crystal in an electric field to produce a highly accurate sub-second timing device.\n\nThese clocks eventually gave way, for highly precise applications anyway, to clocks which use the natural oscillation frequencies of atoms like Cesium.
196770
the amount of time it takes
332876
Sure, why not?\n\nWhen someone will introduce the metric method of reckoning time, people will SLOWLY accept it (you know, old habits die hard)...\n\nComputations will be a lot easier by using the metric method...
561003
Try this website. You can adjust the date time for just about any period -->\nhttp://www.fourmilab.ch/yoursky/
234018
use a moving clock and pictures of things the kids relate to, comparing the activity to the time it occurs - eg, picture of person easting lunch, show 12:00, going to bed 20:00 etc.
469696
Time to look at a clock
705950
could you not write down the start/end time of the usage by hand??
3209
You could try various solutions but I think that Yahoo! Widgets would be perfect for you, they have everything from Calendars to clocks and search widgets, there are over 1600 to choose from in various categories.\n\nDownload the Widget Engine first, http://widget.yahoo.com/\nAnd see the various world time widgets, \nhttp://widget.yahoo.com/gallery/?search=world+clock&x=0&y=0
966947
Calculating money, age, time, products that are manufactured, statistics, etc.
737428
Yes, it is the same time here as there.  Time is an artificial construct; an illusion that we use to mark the progression of our stay on this planet.  Time doesn't truly exist, we exist and we use the various methods of measuring time (clocks, watches, egg timers, etc.) to keep track of how long we are in existence.
204627
http://redcort.com/timeclock.html\n\nIf you are looking for a simple solution use a template for Microsoft Excel:\n\nhttp://office.microsoft.com/en-us/templates/TC011201441033.aspx
698446
The small (-ish) university I work at uses a programme called CELCAT to organise the timetables. I'm sure it's very expensive, but worth a look at www.celcat.com
359031
If we count sundials, we are talking ancients.  Even water clocks and timed candles (with lines on them for how long it burns in an hour) are pretty ancient.
976691
Many more than 24. The Microsoft Windows clock lists 75. \n\nYou must consider that some countries observe solar time. Some countries have time zones that are 30 minutes or even 15 minutes off of the rest of the world's hours. The southern hemisphere observes "daylight savings" or "summer" time during different months than the northern hemisphere.
253343
time and keeping yourself from giving it up.
914259
Some used used a sun dial. Others used small pebbles to count days or sun ups and sun downs.
433636
Try this:\nhttp://www.timeanddate.com/worldclock/