Hello Chaps
Would I be legal to finish driving at 22:00 hrs Saturday 29/3/14 and to commence driving again at 07:00 hrs Sunday 30/3/14?
Thanks SD
Yes, your tacho operates on UTC (Universal Time Co-ordinated)and although you can change the display to show BST, all recordings will continue to be made in UTC so the scenario you mention will show a 9 hour rest.
I would say no as technically you’ve only had 8 off although it’s showing 9.
UTC doesn’t go back or forwards with British Summer Time, so on the tacho you’d only have had 8hrs off.
The fact you’re asking this question scares the hell out of me, have you sat your dCPC? If yes, it shows that it doesn’t work, if no then YOU are the reason it exists. 
Yes thanks, Wayne
No I do not have dcpc.
I do know the answer.
It is a conversation
So if UTC doesnt go backwards or forwards, that means that when he sets the tacho to rest at 2200…when he returns to work at 0700 it would have recorded 9 hours, the only problem is when you put the clock forward.
truckyboy:
So if UTC doesnt go backwards or forwards, that means that when he sets the tacho to rest at 2200…when he returns to work at 0700 it would have recorded 9 hours, the only problem is when you put the clock forward.
No, it’s still not a problem. The times on the tacho are all recorded in UTC, which does not change regardless of daylight saving or border crossings. You can set the display to show whatever time you like, jump from one vehicle to another and generally ■■■■ about as much as you like - the tacho will still record your working/driving times under UTC.
waynedl:
UTC doesn’t go back or forwards with British Summer Time, so on the tacho you’d only have had 8hrs off.The fact you’re asking this question scares the hell out of me, have you sat your dCPC? If yes, it shows that it doesn’t work, if no then YOU are the reason it exists.
It’s not covered in the initial DCPC so there 
I’m guessing you mean can you finish at 22:00gmt and re-start at 07:00bst. Therefore my friend infortunately the answer is no. You will have to wait until 08:00bst as the tacho runs on UTC which basically is GMT renamed for some reason. Goodness knows why as GMT is recognised worldwide but hey ho. To record 9hrs rest in UTC the hour forward changes nithing unfirtunately.
Gets more interesting when using analogue because the cards will show stopping at say 9pm and restarting at 8am which is 11 hours but if the clocks went 1 hour forward during that time then its only 10 hours - it would take a very on the ball VOSA or analysis company to spot that me thinks …
Of course, in the days of using waxed tacho charts on continental work we used to wind the clock forwards and backwards by an hour as often as it suited us, normally a couple of times a week.
Or was that just me? 
No, Harry - It wasn’t just you 
It’s because everyone + his uncle was doing it that we ended up with the “tamper proof” digital tachos.
Harry Monk:
Of course, in the days of using waxed tacho charts on continental work we used to wind the clock forwards and backwards by an hour as often as it suited us, normally a couple of times a week.Or was that just me?
only an hour harry 
truckyboy:
So if UTC doesnt go backwards or forwards, that means that when he sets the tacho to rest at 2200…when he returns to work at 0700 it would have recorded 9 hours, the only problem is when you put the clock forward.
If he books off at 22:00 local time and books back on at 07:00 local time he will have had only 8 hours rest, the clocks go forward on March 30th
NewLad:
waynedl:
UTC doesn’t go back or forwards with British Summer Time, so on the tacho you’d only have had 8hrs off.The fact you’re asking this question scares the hell out of me, have you sat your dCPC? If yes, it shows that it doesn’t work, if no then YOU are the reason it exists.
It’s not covered in the initial DCPC so there
Harry Monk:
Of course, in the days of using waxed tacho charts on continental work we used to wind the clock forwards and backwards by an hour as often as it suited us, normally a couple of times a week. Or was that just me?
took the words out of my mouth! 
waynedl:
UTC doesn’t go back or forwards with British Summer Time, so on the tacho you’d only have had 8hrs off.The fact you’re asking this question scares the hell out of me, have you sat your dCPC? If yes, it shows that it doesn’t work, if no then YOU are the reason it exists.
i didnt recall this question/answer in my cpc which i have finished
I seem to remember the clocks changing by quite a few hours in the past.
wildfire:
Harry Monk:
Of course, in the days of using waxed tacho charts on continental work we used to wind the clock forwards and backwards by an hour as often as it suited us, normally a couple of times a week.Or was that just me?
only an hour harry
Twelve hours wasn’t unheard of. 
Harry Monk:
wildfire:
Harry Monk:
Of course, in the days of using waxed tacho charts on continental work we used to wind the clock forwards and backwards by an hour as often as it suited us, normally a couple of times a week.Or was that just me?
only an hour harry
Twelve hours wasn’t unheard of.
I heard rumours that analogue tachos would sometimes jump forward 9 hours, particularly on a Friday night, I believe it was something to do with a rift in the space time continuum