Science:
Just read that in Autumn 2009 for a few Weeks every Day was a Mili-second shorter.
That happened as the Antarctic-Polar Stream flow slower.
But after the last big Quake in japan the Earth turned even more fast.
So be aware of it and dont break to hard
Digi tacho’s take this into consideration, however, analogues need to be adjusted manually… 
If all the truckers in the world got their trucks to face exactly west and all started to drive as quickly as they could at the same time, would the world slow down and would time pass more slowly?
Is this the answer to living longer?
Would we be able to fit more drops in before running out of hours?
Don’t try this if you are in Aberystwyth.