David Patte ₯ wrote:
LMT at any longitude is a simple offset calculation from GMT. LMT = GMT + Longitude (as HMS)
Yes the base offset is a simple calculation. I got a bit carried away with Guy's assertion that there couldn't be one ;)
But Local Apparent Time (Sundial Time) is a far more complex formula based on the date in question and other factors.
Again, cart before horse, I'd been looking recently at time material based on sundial mid day and looking to incorporate that into my own time management stuff. I was getting around to the point of asking if anybody has a preferred estimation they use but decided this was not the right venue? -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk