please empty your brain below

Another fascinating post DG let’s hope we can get outside more and enjoy near normality again. Time of posting noted.
This is exactly the post I wanted to read today. Thanks DG!
Apparently the man who had the idea for Britain’s clocks going forward in the summer was the great-great grandfather of Coldplay’s Chris Martin.

I didn't know this.
Fascinating, as always.
I’m assuming that this is a result of setting ‘mean time’ as the mean of the time at noon. We could have set it as the mean of the time at sunrise, or sunset.
For those who have streetlights that turn off somewhere in the middle of the night, most are very simple, with a cheap microcontroller programmed with these curves, plus a light sensor to align the internal "clock". So, for one that goes out at midnight (GMT), the first day it's turned on, it lights at dusk, say 6pm and stays on till dawn, 6am. It counts the hours, but next night it subtracts half the time before going off. At midnight. Simples.
The Eretz Yisroel clock is reset to sunset everyday. It was used throughout the Ottoman Empire and the Middle East and even today apparently is still used by some communities in Israel.

I once watched a documentary on Saudi Arabia showing clips of Western business men hilariously struggling to adapt from their time view to local time.
The reason I think of evenings more than mornings when I think of daylight savings is because I'm more likely to see the sunset than I am the sunrise!

It's going to throw dinner time off again while I adjust as it's the 'getting darker' bit that triggers the action to get cracking!
Our streetlights currently go off at 01:30 and come again at 04:00.
When they were put in we residents were told they were remote controlled.
The times varied once or twice in the early days.
It also said they go dimmer at certain times, but I've never detected this.
The times follow the clock change (I have to get up and pee in the night so I notice these things. When the streetlights are off its hard navigating round the bedroom in the dark).
Great typical DG post - the reason for visiting this blog! A feature would be interesting sometime on why it is that the clocks change so much nearer the Solstice in the autumn, than they do in spring?

dg writes: been there, done that
There are, or were, communities which did set their clocks by sunset or sunrise. The references in the biblical accounts of the events of the first Good Friday refer to events happening at the "third hour", the "sixth hour" etc. In the Jewish tradition, these count from sunrise, which at that latitude and time of year is close to 6am local time as counted by modern convention. Hence the tradition of commemorating the crucifixion between 12 noon and 3pm on Good Friday, between the sixth hour when Jesus was sentenced, to the ninth hour when he died.
Love this sort of post. Still can't work out the difference between south and 300 miles north, but it is very discernible, in real experienced terms.










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