Re: Questiona about timezones

[Grahame Grieve <[e-mail]>]

whoops - slipped off the list :-(

> How do the system libraries dig out the information?
>
> For TZ information about one's own host, can you not use
> Intl.DateTimeFormat().resolvedOptions().timeZone gets you the
> information to pass in a form? and then on the server side there's
> datetime/DateTime (python/PHP, respectively) that you can build into
> HTML to be passed to client JS.  But again, that's HTML/JS that would
> have to be layered on top whatever JSON API you were building.
>

form variables. We could put it in the json.. but this degrades the
stability
of the json with what is context information

Some one else asked: geolocation - when correct - is not reliable anyway.
The web server might be a facade located differently from the actual
clinical
system, but the actual clinical system might also be located in multiple
timezones (e.g. multi-homed).

> We believe that we need a way for the client and server to communicate
> > with each other about their timezones, and we think that it should be
> > in the http headers. We're surprised that this hasn't come up more
> > widely...
>
> Ok.  That draft, of course, only goes in one direction


yes we would probably use it in both...

thanks
Grahame