please empty your brain below
n.b. The darkest hour of the year is not a thing. There is a lot of night.

diamond geezer | Homepage | 18.06.23 - 7:28 a.m. | #

Weather permitting. It looks pretty cloudy today.

For actual (as opposed to theoretical) brightness you may want to take measurements with a photometer (or perhaps a bolometer if you are less concerned about the wavelength/frequency of the incident solar radiation).

Andrew | 18.06.23 - 8:04 a.m. | #

Time to slather on the sun cream then!

Greg | 18.06.23 - 8:30 a.m. | #

Well that was fascinating (not) but thanks for the warning, I’ll be ready to close the curtains at the appropriate time. 😉

Jo W | 18.06.23 - 8:39 a.m. | #

I understand the conclusions, if not the method. Am now pondering how to put this newly acquired knowledge to use.

Frank F | 18.06.23 - 8:58 a.m. | #

An interesting read! I don't think this is what was meant by "Bright Hour" in so many old-time chapel fellowships though.

cau1khead | 18.06.23 - 9:05 a.m. | #

This is 51 1/2 latitude, 0 longitude. Just west of Tunnel Avenue.

Al B | Homepage | 18.06.23 - 9:37 a.m. | #

Does this mean shortest shadows of the year at the same times?

Paul | 18.06.23 - 10:11 a.m. | #

That was Bruce Welch

Frank F | 18.06.23 - 10:15 a.m. | #

Thanks. I'm now ready and standing by for a week of daily sun salutations at the appropriate hour.

Cornish Cockney | 18.06.23 - 11:12 a.m. | #











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