On 2023-12-10, Gary Dale <gary@extremeground.com> wrote:
>
> On 2023-12-10 12:24, Greg Wooledge wrote:
>> On Sun, Dec 10, 2023 at 05:09:15PM -0000, Curt wrote:
>>> On 2023-12-10, Andrew M.A. Cater <amacater@einval.com> wrote:
>>>> "Now" is almost exactly Sun 10 Dec 16:55:43 UTC 2023
>>> You mean in the Zulu Time Zone (as I am all at sea)?
>> Use "date -u" to see current UTC time. That should be sufficient to
>> let you know how long it has been since Andrew's "now".
>>
> You're getting too complicated. The date stamp on his e-mail will
> display the correct local time (as you have set it) so I can see that he
> wrote it 30 minutes ago. That relative time is universal across time zones.
>
>
It is the notion of simultaneity itself (the now of now) that is
relative rather than universal.