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CDS Update record with new calculated Date Only



I need to update records with the end date that is the start date of the new record created -1 day. Both feilds are dateOnly feild with localUser.



In my flow I need to calculate the new date. No mather what kind of conversion I do I always get 2 days defore.  Ex: Start date: 2019-09-03 geting end date 2019-09-01 instead od 2019-09-02. Because the value is converted to the user timezone.


Here's the expression used:

I also tried: 






Anyone has an idea?






Hi @Anonymous ,


Are your start and end dates always living within the same time zone? 


Without knowing which timezone you are in it is a bit tricky to give you the exact answer but maybe you can go for a solution based on removing X hours where X is the current time. 

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The user Time zone is  (GMT-05:00) Eastern Time (US and Canada).  I tryed with a Date only feild without time Zone and the end date is populated correctly. 




Hi @Anonymous ,


It seems that you have found the solution,if your problem has been solved, please go ahead and mark the post as solved by clicking “Accept as Solution” so that this thread will be marked for other users to easily identify!


Best regards,



Community Support Team _ Alice Zhang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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Actualy it's not resolved. It's a work around for my specific situation, but I need to find a solutioon where the local timezone is required.


Anyone knows how to resolve this situation, or their is a problem with the connector?

Hi @Anonymous ,


I just finished a blog post about convertting time zones:


this should complete your problem. Simply convert your time fields into the right time zone and your calculations should be ok.

Not applicable

Hi @Pieter_Veenstra ,


Thank you for your response. This does'nt resolve my problem.

I created a compose action where I Convert the date and also deduct 1 day. Here's the formula. 

subtractFromTime(convertTimeZone(triggerOutputs()?['body/job_jobstartdate'],'UTC','GMT Standard Time'),1,'Day')


The input and the output of the compose action is the same. But it did deducted 1 day form my start date (2019-09-05)


When the value is passed to the CDS Update record action, the date has changed again.






I also Tried converting the date to from GMT back to our time Zone 'Eastern Standard Time' It doesn't chantge any thing.


The more I dig into this I think theire is a problem with the CDS connector.


Thank you,




Hi Stephan,


I had another look at this. It looks like every date you  get from or send to the CDS connector has to be sent in UTC. So when you are doing an update of an item you will have to convert it back to UTC.


I would potentially consider to just work in UTC. So your flow runs will report the dates all in UTC. ?You can then do your calculations ( e.g -2 days ) and update the items in the utc time zone.

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