Change time in message browser etc from UTC to local time

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How can I change Ensemble's time from UTC to local? For example, I want that time in the message browser and event log to be local, but now it is UTC. I tried to find some setting around management portal but couldn't find it.

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Finally reason was that server's time zone was UTC. After changing it to correct one Ensemble shows times in local time.

See %UTC.
PS: also.

Unfortunately, this is not a correct answer. I want to change so that the Ensemble management portal shows local time. This answer was how to change UTC to local time in code.

This is a design feature.

Ensemble was designed to work on a worldwide base independent of time zones, daylight saving nonsense and other local time deviations with a consistent monotone growing sequence of time.
So the use of UTC is spread everywhere across the code and there is just no single place to switch it on or off.

So if you want to see logs and other info in local time your only chance is to rewrite the pages or to modify the original code in ENSLIB without any guaranty for eventual unexpected side effects.

My personal opinion: It's not worth the effort.

Agree. Or you can parse logs and convert UTC to local time you want.

Has there been some change in Ensemble since 2015 in viewing time? In 2015 (when I last time worked with Ensemble) it was local time in message browser and event log.

If I understood the question correctly I think there might be some confusion...

Indeed internally Ensemble stores the Message Header times (TimeCreated & TimeProcessed) in a UTC time (per the considerations Robert mentioned) but when these times are displayed in the Message Viewer they go through conversion and are displayed in local time.

So if you would open the object via code, or run an SQL query directly, you would be dependent on running the relevant LogicalToDisplay() or LogicalToOdbc() methods for objects, or using the ODBC or Display runtime modes, but on the default Message Viewer web page these times should appear local.

You can examine this by doing a simple select on the Message Header table and you can see the difference between the Logical and Display modes.

For example, for a certain message, the Logical (internal UTC) time is 10:42 -

And now the same time using Display mode, the time is 13:42 -

And compare this with what you see in the Message Viewer, you see 13:42 -

and -

Note if you take a look at the Ens.DataType.UTC data-type class you can see it's conversion methods.

For example the LogicalToDisplay() method.

Here's an example of what it looks like when it's code runs.

In the following code I show my current local time (using $H, taking into account Time Zone and Daylight Saving), then I show the current general time (using $ZTS, per GMT and no Daylight Saving), and then applying the code run by the method, calling the method, and explicitly.

TEST>set currentLocalTime = $ZDateTime($Horolog,3,,3) 

TEST>set currentGeneralTime = $ZDateTime($ZTimeStamp,3,,3) 

TEST>write currentLocalTime
2018-09-20 10:46:07.000 

TEST>write currentGeneralTime 
2018-09-20 07:46:15.107 

TEST>write $zdatetime($zdTH($zdatetimeh(currentGeneralTime,3,,,,,,,,0),-3),3,,3) 
2018-09-20 10:46:15.107 

TEST>write ##class(Ens.DataType.UTC).LogicalToDisplay(currentGeneralTime) 
2018-09-20 10:46:15.107

See the -3 argument in the $ZDTH function call, from the docs this does the following -

$ZDATETIMEH takes a datetime value specified in $ZTIMESTAMP internal format, converts that value from UTC Universal time to local time, and returns the resulting value in the same internal format

but when these times are displayed in the Message Viewer they go through conversion and are displayed in local time

My problem is that they are displayed in UTC time. What should I do to change this? I couldn't find any setting for this.

Practically this lead us to the answer: erver's time was UTC. After changing server's timezone Ensemble shows local time.