Why is time calculated in 60 minutes per hour and 60 seconds per minute? Why can't it be 100 minutes per hour?
When did we start measuring time in seconds? Who decided what duration will be one second? Why did we divide an hour in 60 minutes and a minute in 60 seconds? Why not 100 minutes or 100 seconds? How did this system come to exist?
According to science, how did time begin? How did people accurately know what time is was when they first started with clocks? When was first clock made? How was the time set? When and how did time begin? When they made the first clock, how did they know what time it was? How did they set it? When the first clock was invented, How did they know what time it was? Who knew what time it was when the first clock was made? How did time begin to exist? If the units of time were to be revisited in this day and age, would we still have hours, minutes and seconds? Time (physics): If all the clocks in the world stopped working for a few days, would we be able to regain the exact time in seconds, minutes and hours? What is the smallest increment of time? Why was time created? Can time be measured by any another unit than hours, minutes or seconds? How many consecutive days does 1 million seconds equal? How do you convert seconds into milliseconds? Was time created first or universe? Who, why, and when was time created? A clock is set right at 10 AM. A clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 3 PM the following day? How did the clock inventor know the time? Do clocks really measure time? Time (physical quantity): What's the time? What fraction of a minute is 21 seconds? How many times in a 24-hour period do the hour and minute hands of a clock form a right angle? Did time machine exist? How long is 1 second? How is 1 second measured? What is the measure of the angle formed by the minute and hour hands of a clock at 1:50? Who invented the moment magnitude scale? What is it used for? Why was Daylight Saving Time invented? How did God have time to create the universe before time even existed? In what state did time exist before the universe came into existence?