[CentOS] Timezone and date

[Richard]

> Date: Wednesday, April 05, 2017 13:15:19 -0400
> From: Brian Mathis <brian.mathis+centos at betteradmin.com>
>
> On Tue, Apr 4, 2017 at 9:22 PM, Jerry Geis <jerry.geis at gmail.com>
> wrote:
> 
>> When I do the date +%Z I get the timezone. Which currently is EDT.
>> 
>> I am sending information to another system, that says EDT is not a
>> valid timezone. I have no way to modify the other system.
>> 
>> My question is - is there a way to get the non-day-lite savings
>> time zone ? For example EST is valid - EDT is not.
>> 
>> Just curious if there is an easy way already present to get a
>> standard time zone.
>> 
>> Thanks, - I know weird situation the other end not supported EDT.
>> 
>> Jerry
>> 
> 
> 
> Communication of time values should use UTC, not a specific time
> zone, unless the remote side needs to know the time zone for a
> specific reason.
> 
> To get the time in a different zone, use the TZ environment var:
>     TZ=UTC date
> 
> 
> ~ Brian Mathis
> @orev

Or, if for some reason you want to pass the timezone, use the GMT
offset (e.g., -0400) rather than the three-letter abbreviations that,
as noted earlier, aren't unique.

A better description of the context for this might also result in
more focused responses.