ANSWERS: 12
  • Normally, but in some rare instances they will add a couple of seconds to a particular day to sync up the time. They did that on New Years Eve 2008.
  • Bsically, but not exactly. But it's only milliseconds which is corrected every so often.
  • That we add up in a leap year and making February a day extra....!!!!!!!!!!!
  • No that is why we have 365 and one quarter days a year !
  • NO, THERE'S ALWAYS A VARIANCE.
  • For states that enforce daylight savings time: In fall, we "fall back" making the day 25 hours. In spring we "spring forward" making the day 23 hours. I realize this doesn't affect how long it takes for the earth to spin around. It just isn't clear by the question which topic you want to address. All the other answers were directed towards the rotation so I picked this one.
  • Wow it really doesn't matter if the day is 23-25 hours long. The only thing that matters is that day becomes night and vise versa.
  • first of all it is all created for human convenience, what r u going to loose if a day has long or less hours in it.
  • Oh yes! If it were to vary by even a microsecond, the universe would cease to exist and we would all implode! Very serious topic... :)
  • We define a day to be 24 hours. This past Saturday, when my locality went off daylight savings time, the day lasted 25 hours. In 6 months there will be a day lasting 23 hours. Every few years a leap second is added, making the day 24 hours plus one second long.
  • Depends how You define a day. . If You define it as 24 hours i.e. as 24*60*60 seconds then it is always (almost) exactly 24 hours long. A second is a unit of SI and in present time it is defined by things that are extremely precise. . Read this: http://en.wikipedia.org/wiki/Second . QUOTE Under the International System of Units, the second is currently defined as The second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.[1] This definition refers to a caesium atom at rest at a temperature of 0 K (absolute zero), and with appropriate corrections for gravitational time dilation. /QUOTE . If You're thinking about a different definition of a day, then specify which one.
  • It is by my clock

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