RE: Clocks12 Oct 2020 11:34
Sorry it does not say Australia in the article - I assumed it would.
It explains why the market was closed at 6am this morning and not 7am as it has since April.
I had a devil of a time finding the UK rules back in the 70's!
I was producing Home Office statistics for Dorset Police on Police Effectiveness (response times to 999 calls). From memory , in connurbations like Christchurch, Poole and Bournemouth a high percentage (90% or even more maybe) had to have an officer attending within 8 minutes! In the sticks the time extended to 20 minutes.
The computer was operational 24/7 so it was possible on two Sundays a year to have incidents where an officer was sent at 1:59am and he'd arrive at 1:05am, or he could be sent at 0:59am and at 2:05am
My reports had to cater for this, so when I stored the incidents on the County Hall computer, I'd check for any incident where anything was logged between 1am and 2am , and for a time logged between 2am and 3am that went back to before 2am later in the incident! If the appropriate one occurred , I'd put out a message to the operators asking them to confirm the clocks had changed. The George IV operating system was so great for that sort of thing!
And if they said yes, I'd adjust all the incident times for that date by an hour.
The Home Office could not tell me the rules, but the Meteorological Office did! 3rd Sunday of October and April , 2am back to 1am, 1am forward to 2am.
Later I managed the Police end of the operation and had the problem of setting the system time in accordance with the rules. No internet to automatically update the time, it needed a copper (we trained a few and called them first aiders) to do it manually! On those nights they'd usually end up rebooting to enter the correct date and time from scratch. RSX and 3 x PDP-11 in line was great for real time, but did not extend to the guile of George IV. We had to set the boot address with 16 toggle switches but it worked in the days when nobody knew what a computer was.
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