Frank, Congratulation !!!
You wrote: *The great thing about using sunrise and sunset as reference times is that governments can't change these times by legislation.* and *It is a shame it is cloudy now. * In Italy there is the saying “Piove, governo ladro!” that means "It rains, government thief!" Perhaps your government does not agree with your attempt to disobey the laws J Happy Equinox Gianni Ferrari 2010/3/20 Frank King <[email protected]> > Dear All, > Happy Equinox > > As well as grumbling about Daylight Saving Time > I do frivolous things like designing sundials... > > I decided it was time that rather more of the > world knew about Babylonian Hours and Italian > Hours so, yesterday, I (and many others) put > up my latest creation on a south-facing wall of > Selwyn College, here in Cambridge (a place that > does its best to educate people!). > > You can see some of the action at: > > http://www.cl.cam.ac.uk/~fhk1/SelwynPic.jpg > > This photograph was taken at... > > Hey, you can all work that out for yourselves :-) > > It is fun how the scaffolding echoes the noon > crossing point on the equinoctial line :-) > > It was the day before the equinox and you can > see that the shadow isn't quite centred on the > equinoctial line. > > I still find it magical that you can fiddle > with all these sines and cosines and the end > result actually works! > > The great thing about using sunrise and sunset > as reference times is that governments can't > change these times by legislation. > > Hmmm. Maybe they can? > > For more pictures and a non-technical account > written for the College in the early hours of > this morning you can look at: > > http://www.cl.cam.ac.uk/~fhk1/Selwyn.pdf > > It is a shame it is cloudy now. The U.K. is > not a good place for sun :-( > > Frank King > Cambridge, U.K. > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > -- Mail to : [email protected] Lat. 44;38,18.5N Long. 10;56,05.3E
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