Just use something like NTP to sync the local time. There's a number
of recipes that can do this, such as systemd/ntp/ntpdate.

Ross

On Tue, 4 Jan 2022 at 07:47, Arik Kleiman <arik.kleiman@...> wrote:
>
> Hi,
>
> Is there any way to update my Read Only system (which connected  to the world via cellular) with local time?
>
> Im able to get the local time zone from ip lookup ... but can't use it to update the system current time.
>
> Thanks,
> Arik
>
>
>