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Power Platform Community / Forums / Power Automate / Convert Decimal to ISO...
Power Automate
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Convert Decimal to ISO 8601 Compliant Date Format

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Posted on by 5,325 Super User 2025 Season 2

I've got one more issue to resolve.

Data source is an Excel workbook. I wrestled with getting the 'InTime' and 'OutTIme' (both Date columns) over; They are now coming over fine.

Last issue is 'WaitTime'.

Phineas_1-1681854260260.png


In Excel the 'WaitTime' column is formatted as 'Time'

Phineas_4-1681854603863.png


Power Automate and is seeing 'WaitTime' as a decimal value, as shown in Compose 3 below.

Phineas_2-1681854289974.png


I am using the following expression in the 'WaitTime' of the 'Create item' and getting back the above error. 
        formatDateTime(items(
'Apply_to_each')?['WaitTime'],'hh:mm:ss')

Phineas_3-1681854391213.png

 

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  • ScottShearer Profile Picture
    25,270 Most Valuable Professional on at

    @Phineas 

    I assume that you are using a List rows in a table Excel action.  Have you set the date time format to ISO 8601 (advanced options)?

  • Phineas Profile Picture
    5,325 Super User 2025 Season 2 on at

    Yep.

    Phineas_0-1681858025613.png

     

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