In old time London the majority of people did not have a way to tell time so some souls worked as kinda time tellers (looked up the actual name and couldn't find it).You would pay them a small sum and they would let you know what time it was.Anyway here is how to check your computers clock against the atomic clock, mine was a full 3.4 seconds out as you can see.
(BTW if you landed here looking for how to change the time on your computer simply Right Click on the clock to find the settings)
Check Your Computer Against The Atomic Clock
'Oh dear! Oh dear! I shall be too late!' - Well it's quiet simple, the website Time.Is does all the work for you. So click this link to got to time.is and you will get a result like my image above.
It will open in a new window so make sure to come back and leave a comment telling us what you think, or how we wasted your time finding out the real time.