Frontend's wrong timezone display

[markfree]

I'm getting a timestamp in unix format that is being displayed in the frontend with the wrong timezone.

For example:
My item receives a value of "1657361472" and its unit is set as "unixtime".
When I check the latest data, the item displays the wrong time.

That value should be translated as "2022-07-09 10:11:12" in the frontend, but it is displaying "2022-07-09 07:11:12".

The value is correct, but the presentation is not.

Of course, my frontend is configured with GMT-3, which is my time zone.

How can I display the timestamp value ignoring my frontend's timezone?

[Markku]

1657361472 = Saturday, July 9, 2022 10:11:12 AM (UTC)

and you are in UTC-3

so displaying 07:11:12 seems correct to me.

AFAIK the unix timestamp is based on UTC, not on local time.

I guess you need to change your frontend configuration if you want to show the data in other timezone.

Markku

[Hamardaban]

Pls check this: https://www.zabbix.com/documentation...e/user_profile

[markfree]

I understand.
I just thought Zabbix would not consider the profile timezone when displaying the data (a good thing, I know).
At the source host, I had to transform the collected timestamp to make it standard UTC.
It would be nice to have a "unixtimenoutc" as a unit type, I guess.

[Markku]

You can also use item preprocessing to fix the value in Zabbix.

Markku

[markfree]

You can also use item preprocessing to fix the value in Zabbix.

Indeed, but I don't see how.

In my example, the value "1657361472" represents, "Sat Jul 09 2022 10:11:12". Since it was captured from another system, it was originally set as UTC-3.

For it to become UTC-0, I could just add 10800 seconds (3h). It would become "1657372272" which represents "Sat Jul 09 2022 13:11:12".

How could I add those 3h with preprocessing?

[Markku]

Based on the documentation (https://www.zabbix.com/documentation...ing/javascript) this JavaScript preprocessing step could work:

return value + 10800;

Let us know how it goes.

Markku

[markfree]

I forgot about Javascript.

Anyhow, I actually altered the timezone at the source. Now, the unix time collected is matching UTC-0.

Thanks a lot for all considerations.