Wrong timezone for GlideDateTime

[Michael Nichols]

I am trying to assign a "latest response date" in a workflow, so I can timeout the whole thing and end it if the customer doesn't respond in time. 

To do this, I am setting:

	var today = new GlideDate();
	var cutoffTime = new GlideTime();
	cutoffTime.setValue('19:00:00');
	workflow.scratchpad.approve_by = new GlideDateTime(today.getDisplayValue() + " " + cutoffTime.getTime());

When I display this to the customer on the Case though, I see: 

Approve by: 2021-04-09 02:00:00

Which is obviously not correct, and I assume is using the wrong timezone. Our instance is set to Sweden/Stockholm (UTC+2), and my user has the same timezone, so why is this producing a time in a different TZ? 

How can I ensure that (a) My display info is correct, and (b) that I _actually_ have the right time (7pm tonight, local time), when I use this value later on in a check?

[Community Alums]

Could you try using .setDisplayValue('19:00:00')? 

The documentation suggests this uses the current users TZ rather than the internal system time

https://developer.servicenow.com/dev.do#!/reference/api/orlando/server/no-namespace/c_GlideTimeScope...

[Community Alums]

Or actually, having read the docs a bit more, just set the time when you instantiate the object by doing 

var cutoffTime = new GlideTime(68400000); 

The number being the number of milliseconds in 19 hours - that should take your instance timezone into account: 

Example
This example shows adding 10 seconds to midnight (UTC), which is then adjusted for the time zone in which the instance resides. In this case, -8 hours from UTC.

var gt = new GlideTime(10000); 
gs.info(gt.getDisplayValue());
Output

16:00:10

[Michael Nichols]

Hmm, will try this one. I'd not looked at the ms option as I kind of felt the "readable" alternative should work, and if ms vs time are different I find it a little odd ... 

Let me try this and see what it does ... 

[Michael Nichols]

Nope, the ms option does the same as the time

	var today = new GlideDate();
	var cutoffTime = new GlideTime(68400000); // 19:00:00
// 	cutoffTime.setValue('19:00:00');
	var approve_by = new GlideDateTime(today.getDisplayValue() + " " + cutoffTime.getTime());
	log += "\nCutoff date: " + approve_by;

That log shows me "2021-04-09 00:00:00" - 5 hours ahead of where I want it, i.e. UTC+7.

On the plus side, setting by ms and time work the same, which is good 😄