Return Hour and mins between two millis values

If a guy had the two following component props value how could he return the time between the two? As “hh:mm:ss” . Through scripting or expressions. All the functions and expressions return whole values. and when I end up trying to do math I get wrong hours.

timeE:1,572,425,661,000
timeS:1,572,420,540,000

timeE - timeS – should return : 01:25:07… I think or 1:25:21

dateFormat(({this.custom.newlot.timeE}-{this.custom.newlot.timeS}), "hh:mm:ss")

returns 07:25:21

How come?

I know almost nothing about java.text.SimpleDateFormat

timeS = 10/30/2019 02:47:54
timeE = 10/30/2019 04:13:18

dateFormat(
	fromMillis(
		{this.custom.newlot.timeE} - {this.custom.newlot.timeS}
	), "HH:mm:ss"
)

Something like this should work.

Reference:
https://docs.inductiveautomation.com/display/DOC80/dateDiff
https://docs.inductiveautomation.com/display/DOC80/*Between
https://docs.inductiveautomation.com/display/DOC80/dateFormat

dateFormat(fromMillis({this.custom.newlot.timeE} - {this.custom.newlot.timeS}), 
"hh:mm:ss")

returns 07:55:46

dateFormat(fromMillis({this.custom.newlot.timeE} - {this.custom.newlot.timeS}),
 "HH:mm:ss")

returns 19:55:46

with:

timeS:1,572,508,427,000  (10/31/2019 02:53:47)
timeE:1,572,515,373,000  (10/31/2019 04:49:33)

Could locale be causing an issue?

Your formats don’t match. :wink:

Any use of a delta between timestamps will have to be translated to hms in UTC, since deltas have no time zone. Consider just using modulus to pick off the components.

Ohhh that makes sense... And I am -6 hours different than utc..... That explains 07:55:46

Where at?

Sorry, that was a misread on my part.

Lol