Re: [Lynx-dev] the sun, the sun

2020-08-09 Thread Thorsten Glaser
David Woolley dixit: > I can't find the original for this thread, but days are not 86400 > seconds, which are currently defined in terms of a quantum transition > frequency. The actual length of a day is less stable than this. Leap > seconds are introduced into UTC to correct for this. The gener

Re: [Lynx-dev] the sun, the sun

2020-08-09 Thread David Woolley
On 08/08/2020 23:29, Halaasz Saandor via Lynx-dev wrote: I suspect that it is time to detach the physical second, that physicists use, from the second that is one 86400th of a day, and find a definition of "day" that depends on our experience of sunlight. The last definition that I found makes

Re: [Lynx-dev] the sun, the sun

2020-08-08 Thread Halaasz Saandor via Lynx-dev
2020/08/08 17:43 ... Steffen Nurpmeso: Being all in favour of keeping UTC aligned with the sun, whatever this means. I suspect that it is time to detach the physical second, that physicists use, from the second that is one 86400th of a day, and find a definition of "day" that depends on our e