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Power Platform Community / Forums / Power Automate - Building Flows / Convert Time Zone give...
Power Automate - Building Flows
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Convert Time Zone gives unusual results - but only sometimes?

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Posted on by Seuadr 251

Hi - i have a flow that is doing an API call to a service, which responds with a unix timestamp. i'm converting the timestamp to UTC using the following formula:

addseconds('1970-1-1',outputs('Compose_2'),'yyyy-MM-dd hh:mm')

which gives predictable results. I want the results to be in EST and to account for DST so i'm using the convert time zone function to go from UTC to EST, and because i'm filling this data into chart labels and want it to be small, i'm using a custom output format based on the microsoft custom output format notes:

Seuadr_1-1655997193589.png

however, sometimes the output isn't close to what it should be:

Seuadr_0-1655997177067.png
i'm pulling 48 hours worth of data with timestamps, and, after a few, it reports correctly again - i've taken the unix timestamps and converted them to UTC in excel, then to EST and the final column is the output from the convert time zone action:

Unix	UTC	EST	Output
1655992800	6/23/2022 14:00	6/23/2022 10:00	6/22 22
1655996400	6/23/2022 15:00	6/23/2022 11:00	6/22 23
1656000000	6/23/2022 16:00	6/23/2022 12:00	6/23 00
1656003600	6/23/2022 17:00	6/23/2022 13:00	6/23 01
1656007200	6/23/2022 18:00	6/23/2022 14:00	6/23 02
1656010800	6/23/2022 19:00	6/23/2022 15:00	6/23 03
1656014400	6/23/2022 20:00	6/23/2022 16:00	6/23 04
1656018000	6/23/2022 21:00	6/23/2022 17:00	6/23 05
1656021600	6/23/2022 22:00	6/23/2022 18:00	6/23 06
1656025200	6/23/2022 23:00	6/23/2022 19:00	6/23 07
1656028800	6/24/2022 0:00	6/23/2022 20:00	6/24 08
1656032400	6/24/2022 1:00	6/23/2022 21:00	6/23 21
1656036000	6/24/2022 2:00	6/23/2022 22:00	6/23 22
1656039600	6/24/2022 3:00	6/23/2022 23:00	6/23 23
1656043200	6/24/2022 4:00	6/24/2022 0:00	6/24 00
1656046800	6/24/2022 5:00	6/24/2022 1:00	6/24 01
1656050400	6/24/2022 6:00	6/24/2022 2:00	6/24 02
1656054000	6/24/2022 7:00	6/24/2022 3:00	6/24 03

I am really unsure of where to start to figure out why this happens - thoughts?

I have the same question (0)
  • Seuadr Profile Picture
    Seuadr 251 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    So i tried the function

    convertTimeZone(

     As well, thinking maybe it was something with my custom format but with the same results - here is some more detail:

    Seuadr_0-1656069766532.pngSeuadr_1-1656069827114.png

    Correct Results:

    Seuadr_2-1656069871402.png

    Seuadr_3-1656069912181.png

     

    Incorrect results:

    Seuadr_4-1656070006142.png

    Seuadr_5-1656070037993.png

     

     



     

     




  • SueB Profile Picture
    SueB Microsoft Employee on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    Hi @Seuadr 

    Here is a previous post that might help:

    Solved: Re: Convert Unix Time to Human Readable Time - Power Platform Community (microsoft.com)

    which notes to simply, "... take the Unix time, multiply by 1,000 (eg convert from seconds to milliseconds), and use the regular PowerApps formatting functions."

     

    I hope this helps!

     

    Thank you for using Microsoft Power Platform Communities!
    Sue
    Support Engineer
    Microsoft Power Platform


    If this post helps, then please consider accepting it as the solution to help other members find it more quickly! Have a great day!

     

     

     

     

     

     

  • Seuadr Profile Picture
    Seuadr 251 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    @SueB ,

     

    Thanks for the reply!

    I guess i should clarify - i'm already converting in the flow from unix to UTC and then from UTC to EST using "Convert_time_zone"

    the issue i am running in to is that the output from convert timezone is sometimes wrong.

    so for instance below are the following columns - Unix (API response in power automate) --> Conv to UTC (converted using the suggested formula in a compose in power automate) --> Expected EST (what the timestamp SHOULD be) --> Actual output the date and time (in the format M/dd TT for month/day Military time)

    Unix                   Conv to UTC                   Expected EST               Actual Output
    1655992800    6/23/2022 14:00             6/23/2022 10:00               6/22 22
    1655996400    6/23/2022 15:00             6/23/2022 11:00               6/22 23
    1656000000    6/23/2022 16:00             6/23/2022 12:00               6/23 00

    so the convert to timezone is outputting 6/22/2022 22:00 instead of 6/23/2022 10:00 when converted in power automate. I get the same results when i convert manually in power automate with a compose action using

    convertTimeZone

     I'm trying to understand why it would output 6/22/2022 22:00 instead of 6/23/2022 10:00.

     

    thanks,

     

    Jared

  • Verified answer
    SueB Profile Picture
    SueB Microsoft Employee on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    Hi @Seuadr 

    Thanks for the clarification!  🙂

    I'm using this expression in my flow  

    addSeconds('1970-01-01T00:00:00Z',<UNIX Timestamp>) 

    Results:

    addSeconds('1970-01-01T00:00:00Z',1655992800) = 6/23/2022 10:00:00 AM ET

    addSeconds('1970-01-01T00:00:00Z',1655996400) = 6/23/2022 11:00:00 AM ET

    addSeconds('1970-01-01T00:00:00Z',1656000000) = 6/23/2022 12:00:00 PM ET

     

    Here is the flow

    Screenshot 2022-06-24 164932.pngScreenshot 2022-06-24 164843.png

     

    I hope this helps!

     

    Thank you for using Microsoft Power Platform Communities!
    Sue
    Support Engineer
    Microsoft Power Platform


    If this post helps, then please consider accepting it as the solution to help other members find it more quickly! Have a great day!

     

  • Shujaath_Khan Profile Picture
    Shujaath_Khan 1,111 Super User 2024 Season 1 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    Hi @Seuadr 

    Can you try the below expression if it helps

    convertTimeZone(addseconds('1970-1-1', Div(1656014400,1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Standard Time')
or 
convertTimeZone(addseconds('1970-1-1', Div(1656014400,1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Time')

     


    Thanks
    Please click Accept as Solution on this reply if it helped to solve your issue, and thumbs-up if you feel this is useful or important in other ways as a boost.

    Thanks

  • Seuadr Profile Picture
    Seuadr 251 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    I've tried both formulas and here are my results (compose 2 is the unix timestamp from the API - it is nested in an apply to each)

    convertTimeZone(addseconds('1970-1-1', Div(outputs('Compose_2'),1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Standard Time')
    InputOutput
    16563240002022-06-27T06:00:00.0000000
    16563276002022-06-27T07:00:00.0000000
    16563312002022-06-27T08:00:00.0000000
    16563348002022-06-26T21:00:00.0000000
    16563384002022-06-26T22:00:00.0000000



    convertTimeZone(addseconds('1970-1-1', Div(outputs('Compose_2'),1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Time')

    Unable to process template language expressions in action 'Compose_10' inputs at line '0' and column '0': 'In the template language function 'convertTimeZone', the value provided for the time zone id 'Eastern Time' was not valid. '.
  • Seuadr Profile Picture
    Seuadr 251 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    1656324000:

    Seuadr_0-1656326780789.png

     

    1656334800:

    Seuadr_2-1656327103808.png

     

    1656338400:

    Seuadr_3-1656327221007.png

    Interestingly, no problem with the custom time format either:
    1656334800:

    Seuadr_4-1656327488749.png

    1656338400:

     

    Seuadr_5-1656327681703.png

     

     

    must lose something in "Translation" doing the conversion in a separate compose?

     

     

  • Shujaath_Khan Profile Picture
    Shujaath_Khan 1,111 Super User 2024 Season 1 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    Hi @Seuadr , please don't use Eastern Time instead use Eastern Standard Time

    Thanks

  • Seuadr Profile Picture
    Seuadr 251 on at
    Re: Convert Time Zone gives unusual results - but only sometimes?
    Thanks, as noted above - that still yields strange results at what would be 9AM, instead reverting back to 6-26 2100, it seems to think it is 9PM instead of 9AM:

    convertTimeZone(addseconds(    '1970-1-1', Div(outputs('Compose_2'),1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Standard Time')
    InputOutput
    16563240002022-06-27T06:00:00.0000000
    16563276002022-06-27T07:00:00.0000000
    16563312002022-06-27T08:00:00.0000000
    16563348002022-06-26T21:00:00.0000000
    16563384002022-06-26T22:00:00.0000000


    when NOT passing the UNIX timestamp into the conversion formula and instead manually inserting it:

    convertTimeZone(addseconds('1970-1-1', Div(1656334800,1),'yyyy-MM-dd hh:mm:ss'),'UTC','Eastern Standard Time')
    Seuadr_0-1656328939735.png
    it still reverts back to 6/26 9PM instead.
  • SueB Profile Picture
    SueB Microsoft Employee on at
    Re: Convert Time Zone gives unusual results - but only sometimes?

    Hi @Seuadr  😊

    An additional date-time conversion would be one cause of the issue. 

    Just put the original UNIX timestamp without additional conversions. 

    addSeconds('1970-01-01T00:00:00Z',<UNIX Timestamp>) 

    There should be only one step in the flow to convert the UNIX timestamp to your desired date-time format in the selected time zone. 

    Also, be sure to select the Destination time zone from the dropdown and the flow will handle DST/ST time.

    Screenshot 2022-06-24 164932-2.png

     

    I hope this helps! 🙂

     

    Thank you for using Microsoft Power Platform Communities!
    Sue
    Support Engineer
    Microsoft Power Platform


    If this post helps, then please consider accepting it as the solution to help other members find it more quickly! Have a great day!

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